anchor.diff:        expectThat(withTheseProjects: () => [project1], weGetTheseInvocations: [
           () => new TestProcessInvocation(project1, const [])
         ]);
  -    }, skip: false);
  +    }, skip: true);
   
       group('for two projects with a single dependency', () {
         final project1 = aProject('project1');
  
positive.code:             () => new TestProcessInvocation(project1, []),
              () => new TestProcessInvocation(project2, [project1])
            ]);
      }, skip: true);
  
      group('for 4 projects with several dependencies', () {
        final project1 = aProject('project1');
  
negative.code:     });
  
      test('invocation has expected dependencies', () {
        expect(actual().dependencies.map((p) => p.id),
          unorderedEquals(expected().dependencies.map((p) => p.id)));
      });
    }
  }
  