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, 78 insertions, 0 deletions

diff --git a/tests/specs/test/steps_tap_failing_steps/__test__.jsonc b/tests/specs/test/steps_tap_failing_steps/__test__.jsonc
new file mode 100644
index 000000000..fc83a7cdf
--- /dev/null
+++ b/tests/specs/test/steps_tap_failing_steps/__test__.jsonc
@@ -0,0 +1,8 @@
+{
+  "args": "test --reporter=tap failing_steps.ts",
+  "exitCode": 1,
+  "envs": {
+    "NO_COLOR": "1"
+  },
+  "output": "failing_steps.tap.out"
+}
diff --git a/tests/specs/test/steps_tap_failing_steps/failing_steps.tap.out b/tests/specs/test/steps_tap_failing_steps/failing_steps.tap.out
new file mode 100644
index 000000000..b47b9fed3
--- /dev/null
+++ b/tests/specs/test/steps_tap_failing_steps/failing_steps.tap.out
@@ -0,0 +1,43 @@
+TAP version 14
+# [WILDCARD]failing_steps.ts
+# Subtest: nested failure
+    not ok 1 - inner 1
+      ---
+      {"message":"Error: Failed.\n      throw new Error(\"Failed.\");\n            ^\n    at [WILDCARD]/failing_steps.ts:[WILDCARD]\n[WILDCARD]","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+      ...
+    ok 2 - inner 2
+    not ok 3 - step 1
+      ---
+      {"message":"1 test step failed.","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+      ...
+    1..3
+not ok 1 - nested failure
+  ---
+  {"message":"1 test step failed.","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+  ...
+# Subtest: multiple test step failures
+    not ok 1 - step 1
+      ---
+      {"message":"Error: Fail.\n    throw new Error(\"Fail.\");\n          ^\n    at [WILDCARD]/failing_steps.ts:[WILDCARD]\n[WILDCARD]","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+      ...
+    not ok 2 - step 2
+      ---
+      {"message":"Error: Fail.\n  await t.step(\"step 2\", () => Promise.reject(new Error(\"Fail.\")));\n                                              ^\n    at [WILDCARD]/failing_steps.ts:[WILDCARD]\n[WILDCARD]","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+      ...
+    1..2
+not ok 2 - multiple test step failures
+  ---
+  {"message":"2 test steps failed.","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+  ...
+# Subtest: failing step in failing test
+    not ok 1 - step 1
+      ---
+      {"message":"Error: Fail.\n    throw new Error(\"Fail.\");\n          ^\n    at [WILDCARD]/failing_steps.ts:[WILDCARD]\n[WILDCARD]","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+      ...
+    1..1
+not ok 3 - failing step in failing test
+  ---
+  {"message":"Error: Fail test.\n  throw new Error(\"Fail test.\");\n        ^\n    at [WILDCARD]/failing_steps.ts:[WILDCARD]","severity":"fail","at":{"file":"[WILDCARD]failing_steps.ts","line":[WILDCARD]}}
+  ...
+1..3
+error: Test failed
diff --git a/tests/specs/test/steps_tap_failing_steps/failing_steps.ts b/tests/specs/test/steps_tap_failing_steps/failing_steps.ts
new file mode 100644
index 000000000..efa18d54e
--- /dev/null
+++ b/tests/specs/test/steps_tap_failing_steps/failing_steps.ts
@@ -0,0 +1,27 @@
+Deno.test("nested failure", async (t) => {
+  const success = await t.step("step 1", async (t) => {
+    let success = await t.step("inner 1", () => {
+      throw new Error("Failed.");
+    });
+    if (success) throw new Error("Expected failure");
+
+    success = await t.step("inner 2", () => {});
+    if (!success) throw new Error("Expected success");
+  });
+
+  if (success) throw new Error("Expected failure");
+});
+
+Deno.test("multiple test step failures", async (t) => {
+  await t.step("step 1", () => {
+    throw new Error("Fail.");
+  });
+  await t.step("step 2", () => Promise.reject(new Error("Fail.")));
+});
+
+Deno.test("failing step in failing test", async (t) => {
+  await t.step("step 1", () => {
+    throw new Error("Fail.");
+  });
+  throw new Error("Fail test.");
+});