Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Documentation: Add missing plugin standalone and in-tree testing
  Upgrade bazlets to latest stable-2.16

Change-Id: I5add43f2f5209ee9db857d00abe93f63a421d11f
diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index dfc86a6..e389fec 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -35,6 +35,12 @@
   bazel-bin/lib@PLUGIN@__plugin-src.jar
 ```
 
+To execute the tests run:
+
+```
+  bazel test //...
+```
+
 This project can be imported into the Eclipse IDE. Execute:
 
 ```
@@ -59,6 +65,12 @@
   bazel-bin/plugins/@PLUGIN@/@PLUGIN@.jar
 ```
 
+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.
 Add the plugin name to the `CUSTOM_PLUGINS` set in