Merge branch 'stable-3.0'

* stable-3.0:
  Documentation: Add missing alternative for plugin in-tree testing
  Upgrade bazlets to latest stable-2.16

Change-Id: Idd8e51df737d253a8b8c148187d13175673c2c6c
diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index 904dc97..3658b55 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -43,10 +43,11 @@
   bazel-bin/plugins/@PLUGIN@/@PLUGIN@.jar
 ```
 
-To execute the tests run:
+To execute the tests run either one of:
 
 ```
   bazel test --test_tag_filters=@PLUGIN@ //...
+  bazel test plugins/@PLUGIN@:@PLUGIN@_tests
 ```
 
 This project can be imported into the Eclipse IDE.