2 files changed, 11 insertions, 0 deletions
diff --git a/cli/tests/testdata/test/before_unload_prevent_default.out b/cli/tests/testdata/test/before_unload_prevent_default.out
new file mode 100644
index 000000000..09da32ff9
--- /dev/null
+++ b/cli/tests/testdata/test/before_unload_prevent_default.out
@@ -0,0 +1,5 @@
+running 1 test from [WILDCARD]/before_unload_prevent_default.ts
+foo ... ok ([WILDCARD])
+
+ok | 1 passed | 0 failed ([WILDCARD])
+
diff --git a/cli/tests/testdata/test/before_unload_prevent_default.ts b/cli/tests/testdata/test/before_unload_prevent_default.ts
new file mode 100644
index 000000000..421ded520
--- /dev/null
+++ b/cli/tests/testdata/test/before_unload_prevent_default.ts
@@ -0,0 +1,6 @@
+addEventListener("beforeunload", (e) => {
+  // The worker should be killed once tests are done regardless of this.
+  e.preventDefault();
+});
+
+Deno.test("foo", () => {});