- Update expected string in pub test.

sdk/lib/_internal/pub/test/transformer/fails_to_load_a_transform_with_an_import_error_test.dart

Index: sdk/lib/_internal/pub/test/transformer/fails_to_load_a_transform_with_an_import_error_test.dart
diff --git a/sdk/lib/_internal/pub/test/transformer/fails_to_load_a_transform_with_an_import_error_test.dart b/sdk/lib/_internal/pub/test/transformer/fails_to_load_a_transform_with_an_import_error_test.dart
index 73b1e06c47fc4a3925dd820fa47da3678656c459..0d664bb3e9524461eab8a076fafc668eb864f706 100644
--- a/sdk/lib/_internal/pub/test/transformer/fails_to_load_a_transform_with_an_import_error_test.dart
+++ b/sdk/lib/_internal/pub/test/transformer/fails_to_load_a_transform_with_an_import_error_test.dart
@@ -31,7 +31,7 @@ main() {
       var pub = startPubServe();
       pub.stderr.expect("Unhandled exception:");
       pub.stderr.expect(
-          startsWith("Uncaught Error: Load Error: Failure getting "));
+          startsWith("Load Error for "));
       pub.shouldExit(1);
     });
   });