chore: deprecate test itests (#25512)

This PR is part of #22907

---------

Signed-off-by: HasanAlrimawi <141642411+HasanAlrimawi@users.noreply.github.com>
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

3 files changed, 34 insertions, 0 deletions

diff --git a/tests/specs/test/report_error/__test__.jsonc b/tests/specs/test/report_error/__test__.jsonc
new file mode 100644
index 000000000..59774f938
--- /dev/null
+++ b/tests/specs/test/report_error/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "args": "test --quiet main.ts",
+  "output": "main.out",
+  "exitCode": 1
+}
diff --git a/tests/specs/test/report_error/main.out b/tests/specs/test/report_error/main.out
new file mode 100644
index 000000000..5fe3a4423
--- /dev/null
+++ b/tests/specs/test/report_error/main.out
@@ -0,0 +1,23 @@
+running 2 tests from [WILDCARD]/main.ts
+foo ...
+Uncaught error from [WILDCARD]/main.ts FAILED
+foo ... cancelled (0ms)
+bar ... cancelled (0ms)
+
+ ERRORS 
+
+[WILDCARD]/main.ts (uncaught error)
+error: Error: foo
+  reportError(new Error("foo"));
+              ^
+    at [WILDCARD]/main.ts:2:15
+This error was not caught from a test and caused the test runner to fail on the referenced module.
+It most likely originated from a dangling promise, event/timeout handler or top-level code.
+
+ FAILURES 
+
+[WILDCARD]/main.ts (uncaught error)
+
+FAILED | 0 passed | 3 failed ([WILDCARD])
+
+error: Test failed
diff --git a/tests/specs/test/report_error/main.ts b/tests/specs/test/report_error/main.ts
new file mode 100644
index 000000000..56b6db26c
--- /dev/null
+++ b/tests/specs/test/report_error/main.ts
@@ -0,0 +1,6 @@
+Deno.test("foo", () => {
+  reportError(new Error("foo"));
+  console.log(1);
+});
+
+Deno.test("bar", () => {});