@Test(groups = {"fast-unit"})
 public void
     after_putFile_then_deleteMyFiles_should_removeTheDirectory_where_thisClassPutFilesOnTheFileSystem()
         throws IOException {
   Path myFiles = putter.getPathOfMyFiles();
   putter.putFile(createFile());
   assertTrue(fileSystem.exists(myFiles));
   putter.deleteMyFiles();
   assertFalse(fileSystem.exists(myFiles));
 }
 @Test(groups = {"fast-unit"})
 public void should_bePossibleToGetTheDirectory_where_allThisTestCasesFilesAreStored() {
   assertNotNull(putter.getPathOfMyFiles());
 }