Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Align tests target name prefix with plugin name
  Upgrade bazlets to latest stable-2.15 to build with 2.15.14 API

Change-Id: Icbb2fd10cb193f8f9839a28789c8c18668d22f04
diff --git a/BUILD b/BUILD
index c4386ab..f8d19e3 100644
--- a/BUILD
+++ b/BUILD
@@ -44,7 +44,7 @@
 )
 
 junit_tests(
-    name = "delete_project_tests",
+    name = "delete-project_tests",
     srcs = glob(["src/test/java/**/*.java"]),
     tags = ["delete-project"],
     deps = [":delete-project__plugin_test_deps"],