chore(tests/specs): ability to have sub tests in file (#23667)

Allows writing named sub-tests. These are:

1. Filterable on the command line via `cargo test ...`
2. Run in parallel
3. Use a fresh temp and deno dir for each test (unlike steps)

1 files changed, 10 insertions, 8 deletions

diff --git a/tests/specs/jsr/module_graph2/__test__.jsonc b/tests/specs/jsr/module_graph2/__test__.jsonc
index 16b086e8b..dabed8700 100644
--- a/tests/specs/jsr/module_graph2/__test__.jsonc
+++ b/tests/specs/jsr/module_graph2/__test__.jsonc
@@ -1,10 +1,12 @@
 {
-  "steps": [{
-    "args": "run --log-level=debug main.ts",
-    "output": "main.out"
-  }, {
-    "cleanDenoDir": true,
-    "args": "info main.ts",
-    "output": "main_info.out"
-  }]
+  "tests": {
+    "run": {
+      "args": "run --log-level=debug main.ts",
+      "output": "main.out"
+    },
+    "info": {
+      "args": "info main.ts",
+      "output": "main_info.out"
+    }
+  }
 }