Update github actions settings.

Author: j5ik2o

.github/workflows/ci.yml

@@ -12,6 +12,8 @@ jobs:
     env:
       JAVA_OPTS: -Xms2048M -Xmx2048M -Xss6M -XX:ReservedCodeCacheSize=256M -Dfile.encoding=UTF-8
       JVM_OPTS:  -Xms2048M -Xmx2048M -Xss6M -XX:ReservedCodeCacheSize=256M -Dfile.encoding=UTF-8
+      AWS_REGION: "ap-northeast-1"
+      TEST_TIME_FACTOR: "5"
     steps:
     - uses: actions/checkout@v2
     - name: Set up Scala