fix: add missing #[ignore] gate and local fixture for concurrent fetch test (#450)

* fix: add missing #[ignore] gate and local fixture for concurrent fetch test

* fix(test): make fetch fixture nonblocking

---------

Co-authored-by: SGavrl <[email protected]>

crates/obscura-cdp/tests/concurrent_navigations.rs

@@ -110,6 +110,7 @@ async fn one_client(port: u16, id_base: u64) -> Result<(), String> {
     }
 }
 
+#[ignore]
 #[tokio::test(flavor = "current_thread")]
 
 async fn concurrency_5_does_not_abort_v8() {