anchor.diff:      });
   
       test('document negative-test noSource', () async {
  -      var json = {'offset': 12};
  +      var json = { 'offset': 12 };
         var response = await _sendPostRequest('dartservices/v1/document', json);
         expect(response.status, 400);
       });
   
       test('document negative-test noOffset', () async {
  -      var json = {'source': 'void main() {print("foo");}'};
  +      var json = {'source': 'void main() {print("foo");}' };
         var response = await _sendPostRequest('dartservices/v1/document', json);
         expect(response.status, 400);
       });
   
       test('counter test', () async {
         var response =
  -          await _sendGetRequest('dartservices/v1/counter', "name=Analyses");
  +        await _sendGetRequest('dartservices/v1/counter', "name=Analyses");
         var data = JSON.decode(UTF8.decode(await response.body.first));
         expect(response.status, 200);
         expect(data['count'], 0);
  
positive.code:       var response = await _sendPostRequest('dartservices/v1/analyze', json);
        expect(response.status, 200);
        var data = await response.body.first;
        expect(JSON.decode(UTF8.decode(data)),
            {'issues': [], 'packageImports': [], 'resolvedImports': []});
      });
  
      test('analyze errors', () async {
        var json = {'source': sampleCodeError};
        var response = await _sendPostRequest('dartservices/v1/analyze', json);
        expect(response.status, 200);
        expect(
            response.headers['content-type'], 'application/json; charset=utf-8');
        var data = await response.body.first;
        var expectedJson = {
          'issues': [
  
negative.code:     });
  
      test('analyze negative-test noSource', () async {
         var json = {};
         var response = await _sendPostRequest('dartservices/v1/analyze', json);
         expect(response.status, 400);
      });
  
      test('compile', () async {
  