Fail long running tests

2 files changed, 17 insertions, 0 deletions

diff --git a/jest.config.js b/jest.config.js
index 0a7b2aedb42..8e4f207af64 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -24,4 +24,5 @@ module.exports = {
   cacheDirectory: '<rootDir>/tmp/cache/jest',
   modulePathIgnorePatterns: ['<rootDir>/.yarn-cache/'],
   reporters,
+  setupTestFrameworkScriptFile: '<rootDir>/spec/frontend/test_setup.js',
 };
diff --git a/spec/frontend/test_setup.js b/spec/frontend/test_setup.js
new file mode 100644
index 00000000000..742ea60ecbd
--- /dev/null
+++ b/spec/frontend/test_setup.js
@@ -0,0 +1,16 @@
+const testTimeoutInMs = 0;
+jest.setTimeout(testTimeoutInMs);
+
+let testStartTime;
+
+// https://github.com/facebook/jest/issues/6947
+beforeEach(() => {
+  testStartTime = Date.now();
+});
+
+afterEach(() => {
+  const elapsedTimeInMs = Date.now() - testStartTime;
+  if (elapsedTimeInMs > testTimeoutInMs) {
+    throw new Error(`Test took too long (${elapsedTimeInMs}ms > ${testTimeoutInMs}ms)!`);
+  }
+});