Use non-default port for fail_initialization_with_no_node test (#1516)

Author: ascjones

crates/e2e/src/tests.rs

@@ -1,10 +1,10 @@
 #[tokio::test]
 #[should_panic(
-    expected = "Error establishing connection to a node at ws://0.0.0.0:9944. Make sure you run a node behind the given url!"
+    expected = "Error establishing connection to a node at ws://0.0.0.0:9999. Make sure you run a node behind the given url!"
 )]
 async fn fail_initialization_with_no_node() {
     let _ = crate::Client::<crate::PolkadotConfig, ink_env::DefaultEnvironment>::new(
-        "ws://0.0.0.0:9944",
+        "ws://0.0.0.0:9999",
     )
     .await;
 }