Edit README.md and add how to test the plugin

muga · muga · commit d8b24d1352b5 · 2015-12-01T16:58:38.000-08:00
diff --git a/README.md b/README.md
@@ -93,3 +93,11 @@ in:
 ./gradlew gem
 ```
 
+## Test
+
+To run unit tests, we need to configure the following environment variables.
+```
+EMBULK_S3_TEST_BUCKET
+EMBULK_S3_TEST_ACCESS_KEY_ID
+EMBULK_S3_TEST_SECRET_ACCESS_KEY
+```
