test: test for regression where jasmine_node_test passes silently

Adds tests to verify that jasmine_node_test targets fail as expected.
This is to catch any future regressions to jasmine_node_test where tests pass silently without executing.
See bazel-contrib/rules_nodejs#1540 for an example of a potential regression.

tools/testing/BUILD.bazel

@@ -1,4 +1,4 @@
-load("//tools:defaults.bzl", "ts_library")
+load("//tools:defaults.bzl", "jasmine_node_test", "ts_library")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -38,3 +38,27 @@ ts_library(
         "//packages:types",
     ],
 )
+
+# A test to verify that jasmine_node_test targets fail as expected.
+# This is to catch any future regressions to jasmine_node_test where
+# tests pass silently without executing.
+# See https://github.com/bazelbuild/rules_nodejs/pull/1540 for an example
+# of a potential regression.
+jasmine_node_test(
+    name = "fail_test",
+    srcs = ["fail.spec.js"],
+    expected_exit_code = 55,
+)
+
+# A test to verify that jasmine_node_test targets fail as expected
+# when there is a bootstrap script set.
+# This is to catch any future regressions to jasmine_node_test where
+# tests pass silently without executing.
+# See https://github.com/bazelbuild/rules_nodejs/pull/1540 for an example
+# of a potential regression.
+jasmine_node_test(
+    name = "fail_bootstrap_test",
+    srcs = ["fail.spec.js"],
+    bootstrap = ["//tools/testing:node_es5"],
+    expected_exit_code = 55,
+)

tools/testing/fail.spec.js

@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+process.exit(55);