diff --git a/package-lock.json b/package-lock.json
index 8d59888..2dc6b12 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -104,24 +104,6 @@
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-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "dev": true,
-          "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
-          }
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "^1.1.5"
-              }
-            }
-          }
-        },
-        "isobject": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
-        },
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
-          "dev": true
-        },
-        "micromatch": {
-          "version": "3.1.10",
-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-          "dev": true,
-          "requires": {
-            "arr-diff": "^4.0.0",
-            "array-unique": "^0.3.2",
-            "braces": "^2.3.1",
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
-            "extglob": "^2.0.4",
-            "fragment-cache": "^0.2.1",
-            "kind-of": "^6.0.2",
-            "nanomatch": "^1.2.9",
-            "object.pick": "^1.3.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.2"
-          }
-        }
       }
     },
     "throat": {
@@ -8401,39 +8121,32 @@
       }
     },
     "uglify-js": {
-      "version": "2.8.29",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
-      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+      "version": "3.7.6",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.6.tgz",
+      "integrity": "sha512-yYqjArOYSxvqeeiYH2VGjZOqq6SVmhxzaPjJC1W2F9e+bqvFL9QXQ2osQuKUFjM2hGjKG2YclQnRKWQSt/nOTQ==",
       "dev": true,
       "optional": true,
       "requires": {
-        "source-map": "~0.5.1",
-        "uglify-to-browserify": "~1.0.0",
-        "yargs": "~3.10.0"
+        "commander": "~2.20.3",
+        "source-map": "~0.6.1"
       },
       "dependencies": {
-        "yargs": {
-          "version": "3.10.0",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-          "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+        "commander": {
+          "version": "2.20.3",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
           "dev": true,
-          "optional": true,
-          "requires": {
-            "camelcase": "^1.0.2",
-            "cliui": "^2.1.0",
-            "decamelize": "^1.0.0",
-            "window-size": "0.1.0"
-          }
+          "optional": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true,
+          "optional": true
         }
       }
     },
-    "uglify-to-browserify": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
-      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
-      "dev": true,
-      "optional": true
-    },
     "undefsafe": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
@@ -8645,13 +8358,15 @@
       "dev": true
     },
     "util.promisify": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.0.tgz",
-      "integrity": "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.1.tgz",
+      "integrity": "sha512-g9JpC/3He3bm38zsLupWryXHoEcS22YHthuPQSJdMy6KNrzIRzWqcsHzD/WUnqe45whVou4VIsPew37DoXWNrA==",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "object.getownpropertydescriptors": "^2.0.3"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.2",
+        "has-symbols": "^1.0.1",
+        "object.getownpropertydescriptors": "^2.1.0"
       }
     },
     "utils-merge": {
@@ -8676,9 +8391,9 @@
       }
     },
     "validate-npm-package-license": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz",
-      "integrity": "sha512-63ZOUnL4SIXj4L0NixR3L1lcjO38crAbgrTpl28t8jjrfuiOBL5Iygm+60qPs/KsZGzPNg6Smnc/oY16QTjF0g==",
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
       "dev": true,
       "requires": {
         "spdx-correct": "^3.0.0",
@@ -8794,13 +8509,6 @@
         "string-width": "^2.1.1"
       }
     },
-    "window-size": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
-      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
-      "dev": true,
-      "optional": true
-    },
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
@@ -8908,34 +8616,6 @@
         "which-module": "^2.0.0",
         "y18n": "^3.2.1",
         "yargs-parser": "^8.1.0"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
-        "cliui": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-          "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
-          "dev": true,
-          "requires": {
-            "string-width": "^2.1.1",
-            "strip-ansi": "^4.0.0",
-            "wrap-ansi": "^2.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        }
       }
     },
     "yargs-parser": {
@@ -8945,14 +8625,6 @@
       "dev": true,
       "requires": {
         "camelcase": "^4.1.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-          "dev": true
-        }
       }
     },
     "zipkin": {
diff --git a/package.json b/package.json
index c26cf75..e8952c8 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "coveralls": "3.0.0",
     "express": "4.16.3",
     "husky": "0.14.3",
-    "jest": "22.4.3",
+    "jest": "22.4.4",
     "lint-staged": "7.0.4",
     "nodemon": "1.17.3",
     "opentracing": "0.14.3",
diff --git a/yarn.lock b/yarn.lock
index 2bb383c..f9aa04e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -409,12 +409,12 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.3.tgz#4b7a0b6041691bbd422ab49b3b73654a49a6627a"
+babel-jest@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.4.tgz#977259240420e227444ebe49e226a61e49ea659d"
   dependencies:
     babel-plugin-istanbul "^4.1.5"
-    babel-preset-jest "^22.4.3"
+    babel-preset-jest "^22.4.4"
 
 babel-messages@^6.23.0:
   version "6.23.0"
@@ -436,9 +436,9 @@ babel-plugin-istanbul@^4.1.5:
     istanbul-lib-instrument "^1.7.5"
     test-exclude "^4.1.1"
 
-babel-plugin-jest-hoist@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.3.tgz#7d8bcccadc2667f96a0dcc6afe1891875ee6c14a"
+babel-plugin-jest-hoist@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.4.tgz#b9851906eab34c7bf6f8c895a2b08bea1a844c0b"
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
@@ -696,11 +696,11 @@ babel-preset-env@1.6.1:
     invariant "^2.2.2"
     semver "^5.3.0"
 
-babel-preset-jest@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.3.tgz#e92eef9813b7026ab4ca675799f37419b5a44156"
+babel-preset-jest@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.4.tgz#ec9fbd8bcd7dfd24b8b5320e0e688013235b7c39"
   dependencies:
-    babel-plugin-jest-hoist "^22.4.3"
+    babel-plugin-jest-hoist "^22.4.4"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
 babel-register@^6.26.0:
@@ -1518,17 +1518,6 @@ expect@^22.4.0:
     jest-message-util "^22.4.0"
     jest-regex-util "^22.1.0"
 
-expect@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/expect/-/expect-22.4.3.tgz#d5a29d0a0e1fb2153557caef2674d4547e914674"
-  dependencies:
-    ansi-styles "^3.2.0"
-    jest-diff "^22.4.3"
-    jest-get-type "^22.4.3"
-    jest-matcher-utils "^22.4.3"
-    jest-message-util "^22.4.3"
-    jest-regex-util "^22.4.3"
-
 express@4.16.3:
   version "4.16.3"
   resolved "https://registry.yarnpkg.com/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
@@ -2451,15 +2440,15 @@ istanbul-reports@^1.1.4:
   dependencies:
     handlebars "^4.0.3"
 
-jest-changed-files@^22.4.3:
+jest-changed-files@^22.2.0:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-22.4.3.tgz#8882181e022c38bd46a2e4d18d44d19d90a90fb2"
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.3.tgz#bf16c4a5fb7edc3fa5b9bb7819e34139e88a72c7"
+jest-cli@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.4.tgz#68cd2a2aae983adb1e6638248ca21082fd6d9e90"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
@@ -2472,20 +2461,20 @@ jest-cli@^22.4.3:
     istanbul-lib-coverage "^1.1.1"
     istanbul-lib-instrument "^1.8.0"
     istanbul-lib-source-maps "^1.2.1"
-    jest-changed-files "^22.4.3"
-    jest-config "^22.4.3"
-    jest-environment-jsdom "^22.4.3"
-    jest-get-type "^22.4.3"
-    jest-haste-map "^22.4.3"
-    jest-message-util "^22.4.3"
-    jest-regex-util "^22.4.3"
-    jest-resolve-dependencies "^22.4.3"
-    jest-runner "^22.4.3"
-    jest-runtime "^22.4.3"
-    jest-snapshot "^22.4.3"
-    jest-util "^22.4.3"
-    jest-validate "^22.4.3"
-    jest-worker "^22.4.3"
+    jest-changed-files "^22.2.0"
+    jest-config "^22.4.4"
+    jest-environment-jsdom "^22.4.1"
+    jest-get-type "^22.1.0"
+    jest-haste-map "^22.4.2"
+    jest-message-util "^22.4.0"
+    jest-regex-util "^22.1.0"
+    jest-resolve-dependencies "^22.1.0"
+    jest-runner "^22.4.4"
+    jest-runtime "^22.4.4"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.4"
+    jest-worker "^22.2.2"
     micromatch "^2.3.11"
     node-notifier "^5.2.1"
     realpath-native "^1.0.0"
@@ -2512,21 +2501,21 @@ jest-config@^22.4.2:
     jest-validate "^22.4.2"
     pretty-format "^22.4.0"
 
-jest-config@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.3.tgz#0e9d57db267839ea31309119b41dc2fa31b76403"
+jest-config@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.4.tgz#72a521188720597169cd8b4ff86934ef5752d86a"
   dependencies:
     chalk "^2.0.1"
     glob "^7.1.1"
-    jest-environment-jsdom "^22.4.3"
-    jest-environment-node "^22.4.3"
-    jest-get-type "^22.4.3"
-    jest-jasmine2 "^22.4.3"
-    jest-regex-util "^22.4.3"
-    jest-resolve "^22.4.3"
-    jest-util "^22.4.3"
-    jest-validate "^22.4.3"
-    pretty-format "^22.4.3"
+    jest-environment-jsdom "^22.4.1"
+    jest-environment-node "^22.4.1"
+    jest-get-type "^22.1.0"
+    jest-jasmine2 "^22.4.4"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.4"
+    pretty-format "^22.4.0"
 
 jest-diff@^22.4.0:
   version "22.4.0"
@@ -2537,16 +2526,7 @@ jest-diff@^22.4.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.4.0"
 
-jest-diff@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.3.tgz#e18cc3feff0aeef159d02310f2686d4065378030"
-  dependencies:
-    chalk "^2.0.1"
-    diff "^3.2.0"
-    jest-get-type "^22.4.3"
-    pretty-format "^22.4.3"
-
-jest-docblock@^22.4.3:
+jest-docblock@^22.4.0, jest-docblock@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.3.tgz#50886f132b42b280c903c592373bb6e93bb68b19"
   dependencies:
@@ -2560,14 +2540,6 @@ jest-environment-jsdom@^22.4.1:
     jest-util "^22.4.1"
     jsdom "^11.5.1"
 
-jest-environment-jsdom@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.3.tgz#d67daa4155e33516aecdd35afd82d4abf0fa8a1e"
-  dependencies:
-    jest-mock "^22.4.3"
-    jest-util "^22.4.3"
-    jsdom "^11.5.1"
-
 jest-environment-node@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.1.tgz#418850eb654596b8d6e36c2021cbedbc23df8e16"
@@ -2575,22 +2547,11 @@ jest-environment-node@^22.4.1:
     jest-mock "^22.2.0"
     jest-util "^22.4.1"
 
-jest-environment-node@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.3.tgz#54c4eaa374c83dd52a9da8759be14ebe1d0b9129"
-  dependencies:
-    jest-mock "^22.4.3"
-    jest-util "^22.4.3"
-
 jest-get-type@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
 
-jest-get-type@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.4.3.tgz#e3a8504d8479342dd4420236b322869f18900ce4"
-
-jest-haste-map@^22.4.3:
+jest-haste-map@^22.4.2:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.3.tgz#25842fa2ba350200767ac27f658d58b9d5c2e20b"
   dependencies:
@@ -2618,23 +2579,23 @@ jest-jasmine2@^22.4.2:
     jest-util "^22.4.1"
     source-map-support "^0.5.0"
 
-jest-jasmine2@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.3.tgz#4daf64cd14c793da9db34a7c7b8dcfe52a745965"
+jest-jasmine2@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.4.tgz#c55f92c961a141f693f869f5f081a79a10d24e23"
   dependencies:
     chalk "^2.0.1"
     co "^4.6.0"
-    expect "^22.4.3"
+    expect "^22.4.0"
     graceful-fs "^4.1.11"
     is-generator-fn "^1.0.0"
-    jest-diff "^22.4.3"
-    jest-matcher-utils "^22.4.3"
-    jest-message-util "^22.4.3"
-    jest-snapshot "^22.4.3"
-    jest-util "^22.4.3"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
     source-map-support "^0.5.0"
 
-jest-leak-detector@^22.4.3:
+jest-leak-detector@^22.4.0:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.3.tgz#2b7b263103afae8c52b6b91241a2de40117e5b35"
   dependencies:
@@ -2648,14 +2609,6 @@ jest-matcher-utils@^22.4.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.4.0"
 
-jest-matcher-utils@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.3.tgz#4632fe428ebc73ebc194d3c7b65d37b161f710ff"
-  dependencies:
-    chalk "^2.0.1"
-    jest-get-type "^22.4.3"
-    pretty-format "^22.4.3"
-
 jest-message-util@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.0.tgz#e3d861df16d2fee60cb2bc8feac2188a42579642"
@@ -2666,24 +2619,10 @@ jest-message-util@^22.4.0:
     slash "^1.0.0"
     stack-utils "^1.0.1"
 
-jest-message-util@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.3.tgz#cf3d38aafe4befddbfc455e57d65d5239e399eb7"
-  dependencies:
-    "@babel/code-frame" "^7.0.0-beta.35"
-    chalk "^2.0.1"
-    micromatch "^2.3.11"
-    slash "^1.0.0"
-    stack-utils "^1.0.1"
-
 jest-mock@^22.2.0:
   version "22.2.0"
   resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
 
-jest-mock@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.4.3.tgz#f63ba2f07a1511772cdc7979733397df770aabc7"
-
 jest-regex-util@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.1.0.tgz#5daf2fe270074b6da63e5d85f1c9acc866768f53"
@@ -2692,7 +2631,7 @@ jest-regex-util@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.4.3.tgz#a826eb191cdf22502198c5401a1fc04de9cef5af"
 
-jest-resolve-dependencies@^22.4.3:
+jest-resolve-dependencies@^22.1.0:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.4.3.tgz#e2256a5a846732dc3969cb72f3c9ad7725a8195e"
   dependencies:
@@ -2705,46 +2644,39 @@ jest-resolve@^22.4.2:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-resolve@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.3.tgz#0ce9d438c8438229aa9b916968ec6b05c1abb4ea"
-  dependencies:
-    browser-resolve "^1.11.2"
-    chalk "^2.0.1"
-
-jest-runner@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.3.tgz#298ddd6a22b992c64401b4667702b325e50610c3"
+jest-runner@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.4.tgz#dfca7b7553e0fa617e7b1291aeb7ce83e540a907"
   dependencies:
     exit "^0.1.2"
-    jest-config "^22.4.3"
-    jest-docblock "^22.4.3"
-    jest-haste-map "^22.4.3"
-    jest-jasmine2 "^22.4.3"
-    jest-leak-detector "^22.4.3"
-    jest-message-util "^22.4.3"
-    jest-runtime "^22.4.3"
-    jest-util "^22.4.3"
-    jest-worker "^22.4.3"
+    jest-config "^22.4.4"
+    jest-docblock "^22.4.0"
+    jest-haste-map "^22.4.2"
+    jest-jasmine2 "^22.4.4"
+    jest-leak-detector "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-runtime "^22.4.4"
+    jest-util "^22.4.1"
+    jest-worker "^22.2.2"
     throat "^4.0.0"
 
-jest-runtime@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.3.tgz#b69926c34b851b920f666c93e86ba2912087e3d0"
+jest-runtime@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.4.tgz#9ba7792fc75582a5be0f79af6f8fe8adea314048"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.4.3"
+    babel-jest "^22.4.4"
     babel-plugin-istanbul "^4.1.5"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     exit "^0.1.2"
     graceful-fs "^4.1.11"
-    jest-config "^22.4.3"
-    jest-haste-map "^22.4.3"
-    jest-regex-util "^22.4.3"
-    jest-resolve "^22.4.3"
-    jest-util "^22.4.3"
-    jest-validate "^22.4.3"
+    jest-config "^22.4.4"
+    jest-haste-map "^22.4.2"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.4"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
@@ -2768,17 +2700,6 @@ jest-snapshot@^22.4.0:
     natural-compare "^1.4.0"
     pretty-format "^22.4.0"
 
-jest-snapshot@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.4.3.tgz#b5c9b42846ffb9faccb76b841315ba67887362d2"
-  dependencies:
-    chalk "^2.0.1"
-    jest-diff "^22.4.3"
-    jest-matcher-utils "^22.4.3"
-    mkdirp "^0.5.1"
-    natural-compare "^1.4.0"
-    pretty-format "^22.4.3"
-
 jest-util@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.1.tgz#dd17c3bdb067f8e90591563ec0c42bf847dc249f"
@@ -2791,18 +2712,6 @@ jest-util@^22.4.1:
     mkdirp "^0.5.1"
     source-map "^0.6.0"
 
-jest-util@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.3.tgz#c70fec8eec487c37b10b0809dc064a7ecf6aafac"
-  dependencies:
-    callsites "^2.0.0"
-    chalk "^2.0.1"
-    graceful-fs "^4.1.11"
-    is-ci "^1.0.10"
-    jest-message-util "^22.4.3"
-    mkdirp "^0.5.1"
-    source-map "^0.6.0"
-
 jest-validate@^22.4.0, jest-validate@^22.4.2:
   version "22.4.2"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.2.tgz#e789a4e056173bf97fe797a2df2d52105c57d4f4"
@@ -2813,28 +2722,28 @@ jest-validate@^22.4.0, jest-validate@^22.4.2:
     leven "^2.1.0"
     pretty-format "^22.4.0"
 
-jest-validate@^22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.3.tgz#0780954a5a7daaeec8d3c10834b9280865976b30"
+jest-validate@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.4.tgz#1dd0b616ef46c995de61810d85f57119dbbcec4d"
   dependencies:
     chalk "^2.0.1"
-    jest-config "^22.4.3"
-    jest-get-type "^22.4.3"
+    jest-config "^22.4.4"
+    jest-get-type "^22.1.0"
     leven "^2.1.0"
-    pretty-format "^22.4.3"
+    pretty-format "^22.4.0"
 
-jest-worker@^22.4.3:
+jest-worker@^22.2.2, jest-worker@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.4.3.tgz#5c421417cba1c0abf64bf56bd5fb7968d79dd40b"
   dependencies:
     merge-stream "^1.0.1"
 
-jest@22.4.3:
-  version "22.4.3"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.3.tgz#2261f4b117dc46d9a4a1a673d2150958dee92f16"
+jest@22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.4.tgz#ffb36c9654b339a13e10b3d4b338eb3e9d49f6eb"
   dependencies:
     import-local "^1.0.0"
-    jest-cli "^22.4.3"
+    jest-cli "^22.4.4"
 
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"