source: class ConfigurationTest {
  
       Configuration configuration;
  
      @Test
      public void testGetSourceFiles() {
  
target:         List<String> files = new ArrayList<String>();
          
          files.add("file1.csv");
          assertEquals(files, configuration.getMappings().get(0).getSourceFiles());
          
          files.add("file2.csv");
          assertEquals(files, configuration.getMappings().get(1).getSourceFiles());
      }
  
  }