Align tests target name prefix with plugin name

Change-Id: Ia6cd289280b7b2fdf46ca49ccb0dd1485edd56a4
diff --git a/BUILD b/BUILD
index f5393ad..6ad2e5a 100644
--- a/BUILD
+++ b/BUILD
@@ -20,7 +20,7 @@
 )
 
 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"],