Move test-framework to dev-dependencies

Author: tvdijen

composer.json

@@ -35,8 +35,10 @@
 
         "dapphp/radius": "^3.0.0",
         "simplesamlphp/composer-module-installer": "^1.3.2",
-        "simplesamlphp/simplesamlphp": "^2.0.0-rc2",
-        "simplesamlphp/simplesamlphp-test-framework": "^1.2.1"
+        "simplesamlphp/simplesamlphp": "^2.0.0"
+    },
+    "require-dev": {
+        "simplesamlphp/simplesamlphp-test-framework": "~1.6"
     },
     "support": {
         "issues": "https://github.com/tvdijen/simplesamlphp-module-radius/issues",