3 files changed, 30 insertions, 0 deletions
diff --git a/cli/tests/integration/test_tests.rs b/cli/tests/integration/test_tests.rs
index 042e84078..b4bf842ff 100644
--- a/cli/tests/integration/test_tests.rs
+++ b/cli/tests/integration/test_tests.rs
@@ -255,6 +255,12 @@ itest!(trace_ops_catch_error {
 //  output: "test/ops_sanitizer_missing_details.out",
 // });
 
+itest!(ops_sanitizer_closed_inside_started_before {
+  args: "test --trace-ops test/ops_sanitizer_closed_inside_started_before.ts",
+  exit_code: 1,
+  output: "test/ops_sanitizer_closed_inside_started_before.out",
+});
+
 itest!(ops_sanitizer_nexttick {
   args: "test --no-check test/ops_sanitizer_nexttick.ts",
   output: "test/ops_sanitizer_nexttick.out",
diff --git a/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.out b/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.out
new file mode 100644
index 000000000..37fb0a319
--- /dev/null
+++ b/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.out
@@ -0,0 +1,19 @@
+Check [WILDCARD]test/ops_sanitizer_closed_inside_started_before.ts
+running 1 test from ./test/ops_sanitizer_closed_inside_started_before.ts
+test 1 ... FAILED [WILDCARD]
+
+ ERRORS 
+
+test 1 => ./test/ops_sanitizer_closed_inside_started_before.ts:[WILDCARD]
+error: Leaking async ops:
+  - 1 async operation to sleep for a duration was started before this test, but was completed during the test. Async operations should not complete in a test if they were not started in that test. This is often caused by not cancelling a `setTimeout` or `setInterval` call. The operation was started here:
+    at [WILDCARD]
+    at [WILDCARD]/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.ts:[WILDCARD]
+
+ FAILURES 
+
+test 1 => ./test/ops_sanitizer_closed_inside_started_before.ts:[WILDCARD]
+
+FAILED | 0 passed | 1 failed [WILDCARD]
+
+error: Test failed
diff --git a/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.ts b/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.ts
new file mode 100644
index 000000000..97d3d72c8
--- /dev/null
+++ b/cli/tests/testdata/test/ops_sanitizer_closed_inside_started_before.ts
@@ -0,0 +1,5 @@
+const timer = setTimeout(() => {}, 10000000000);
+
+Deno.test("test 1", () => {
+  clearTimeout(timer);
+});