restore request hack

cli/tools/test/mod.rs

@@ -579,6 +579,17 @@ pub async fn run_tests_for_worker(
     if fail_fast_tracker.should_stop() {
       break;
     }
+
+    // Each test needs a fresh reqwest connection pool to avoid inter-test weirdness with connections
+    // failing. If we don't do this, a connection to a test server we just tore down might be re-used in
+    // the next test.
+    // TODO(mmastrac): this should be some sort of callback that we can implement for any subsystem
+    worker
+      .js_runtime
+      .op_state()
+      .borrow_mut()
+      .try_take::<deno_runtime::deno_fetch::reqwest::Client>();
+
     if desc.ignore {
       sender.send(TestEvent::Result(desc.id, TestResult::Ignored, 0))?;
       continue;