feat(test): improved op sanitizer errors + traces (#13676)

This commit improves the error messages for the `deno test` async op
sanitizer. It does this in two ways:
- it uses handwritten error messages for each op that could be leaking
- it includes traces showing where each op was started

This "async op tracing" functionality is a new feature in deno_core.
It likely has a significant performance impact, which is why it is only
enabled in tests.

1 files changed, 6 insertions, 0 deletions

diff --git a/cli/tools/test.rs b/cli/tools/test.rs
index 5d99677f2..101dcb6b6 100644
--- a/cli/tools/test.rs
+++ b/cli/tools/test.rs
@@ -475,6 +475,12 @@ async fn test_specifier(
     None
   };
 
+  // Enable op call tracing in core to enable better debugging of op sanitizer
+  // failures.
+  worker
+    .execute_script(&located_script_name!(), "Deno.core.enableOpCallTracing();")
+    .unwrap();
+
   // We only execute the specifier as a module if it is tagged with TestMode::Module or
   // TestMode::Both.
   if mode != TestMode::Documentation {