fix(test): return error when awaiting unresolved promise (#7968)

This commit fixes test runner by awaitning "Deno.runTests()" call,
which ensures proper error is returned when there's an unresolved
promise that's being awaited.

1 files changed, 5 insertions, 4 deletions

diff --git a/cli/test_runner.rs b/cli/test_runner.rs
index 1e91d1c30..fa0da706b 100644
--- a/cli/test_runner.rs
+++ b/cli/test_runner.rs
@@ -82,11 +82,12 @@ pub fn render_test_file(
     json!({ "failFast": fail_fast, "reportToConsole": !quiet, "disableLog": quiet })
   };
 
-  let run_tests_cmd = format!(
-    "// @ts-ignore\nDeno[Deno.internal].runTests({});\n",
+  test_file.push_str("// @ts-ignore\n");
+
+  test_file.push_str(&format!(
+    "await Deno[Deno.internal].runTests({});\n",
     options
-  );
-  test_file.push_str(&run_tests_cmd);
+  ));
 
   test_file
 }