@BeforeClass
 public static void initData() {
   project = mock(VisualStudioProject.class);
   when(project.getProjectFile())
       .thenReturn(new File("target/sonar/solution/project/project.csproj"));
   new File("target/sonar/solution").mkdirs();
   solution = mock(VisualStudioSolution.class);
   when(solution.getSolutionDir()).thenReturn(new File("target/sonar/solution"));
   when(solution.getSolutionFile()).thenReturn(new File("target/sonar/solution/solution.sln"));
 }