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, 88 insertions, 0 deletions

diff --git a/tests/specs/test/parallel_output/__test__.jsonc b/tests/specs/test/parallel_output/__test__.jsonc
new file mode 100644
index 000000000..dde5a1c6f
--- /dev/null
+++ b/tests/specs/test/parallel_output/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "args": "test --parallel --reload main.ts",
+  "exitCode": 1,
+  "output": "main.out"
+}
diff --git a/tests/specs/test/parallel_output/main.out b/tests/specs/test/parallel_output/main.out
new file mode 100644
index 000000000..3d020a71f
--- /dev/null
+++ b/tests/specs/test/parallel_output/main.out
@@ -0,0 +1,56 @@
+Check [WILDCARD]/main.ts
+./main.ts => step output ... step 1 ... ok ([WILDCARD]s)
+./main.ts => step output ... step 2 ... ok ([WILDCARD]s)
+------- output -------
+Hello, world! (from step 3)
+----- output end -----
+./main.ts => step output ... step 3 ... ok ([WILDCARD]s)
+------- output -------
+Hello, world! (from step 4)
+----- output end -----
+./main.ts => step output ... step 4 ... ok ([WILDCARD]s)
+./main.ts => step output ... ok ([WILDCARD]s)
+./main.ts => step failures ... step 1 ... ok ([WILDCARD]s)
+./main.ts => step failures ... step 2 ... FAILED ([WILDCARD]s)
+./main.ts => step failures ... step 3 ... FAILED ([WILDCARD]s)
+./main.ts => step failures ... FAILED (due to 2 failed steps) ([WILDCARD]s)
+./main.ts => step nested failure ... step 1 ... inner 1 ... ok ([WILDCARD]s)
+./main.ts => step nested failure ... step 1 ... inner 2 ... FAILED ([WILDCARD]s)
+./main.ts => step nested failure ... step 1 ... FAILED (due to 1 failed step) ([WILDCARD]s)
+./main.ts => step nested failure ... FAILED (due to 1 failed step) ([WILDCARD]s)
+
+ ERRORS 
+
+step failures ... step 2 => ./main.ts:14:11
+error: Error: Fail.
+    throw new Error("Fail.");
+          ^
+    at file:///[WILDCARD]/main.ts:15:11
+    at [WILDCARD]
+    at file:///[WILDCARD]/main.ts:14:11
+
+step failures ... step 3 => ./main.ts:17:11
+error: Error: Fail.
+  await t.step("step 3", () => Promise.reject(new Error("Fail.")));
+                                              ^
+    at file:///[WILDCARD]/main.ts:17:47
+    at [WILDCARD]
+    at file:///[WILDCARD]/main.ts:17:11
+
+step nested failure ... step 1 ... inner 2 => ./main.ts:23:13
+error: Error: Failed.
+      throw new Error("Failed.");
+            ^
+    at file:///[WILDCARD]/main.ts:24:13
+    at [WILDCARD]
+    at file:///[WILDCARD]/main.ts:23:13
+
+ FAILURES 
+
+step failures ... step 2 => ./main.ts:14:11
+step failures ... step 3 => ./main.ts:17:11
+step nested failure ... step 1 ... inner 2 => ./main.ts:23:13
+
+FAILED | 1 passed (6 steps) | 2 failed (4 steps) ([WILDCARD]s)
+
+error: Test failed
diff --git a/tests/specs/test/parallel_output/main.ts b/tests/specs/test/parallel_output/main.ts
new file mode 100644
index 000000000..5de733aad
--- /dev/null
+++ b/tests/specs/test/parallel_output/main.ts
@@ -0,0 +1,27 @@
+Deno.test("step output", async (t) => {
+  await t.step("step 1", () => {});
+  await t.step("step 2", () => {});
+  await t.step("step 3", () => {
+    console.log("Hello, world! (from step 3)");
+  });
+  await t.step("step 4", () => {
+    console.log("Hello, world! (from step 4)");
+  });
+});
+
+Deno.test("step failures", async (t) => {
+  await t.step("step 1", () => {});
+  await t.step("step 2", () => {
+    throw new Error("Fail.");
+  });
+  await t.step("step 3", () => Promise.reject(new Error("Fail.")));
+});
+
+Deno.test("step nested failure", async (t) => {
+  await t.step("step 1", async (t) => {
+    await t.step("inner 1", () => {});
+    await t.step("inner 2", () => {
+      throw new Error("Failed.");
+    });
+  });
+});