anchor.diff:      test.results.add(new CompilationResult(compiledProcedure, errors));
       if (compiledProcedure != null) {
         // Confirm we can serialize generated procedure.
  -      sourceCompilerResult.component.computeCanonicalNames();
  +      compilerResult.component.computeCanonicalNames();
         List<int> list = serializeProcedure(compiledProcedure);
         assert(list.length > 0);
       }
  
positive.code:   @override
    Future<Result<List<TestCase>>> run(
        List<TestCase> tests, Context context) async {
      for (var test in tests) {
        context.fileSystem.entityForUri(test.entryPoint!).writeAsBytesSync(
            await new File.fromUri(test.entryPoint!).readAsBytes());
  
  
negative.code:         }
        }
      }
      TestCase test = tests.first;
      Uri testUri = test.description.uri;
      File expectedFile = new File("${testUri.toFilePath()}$suffix");
      if (await expectedFile.exists()) {
  