source: class DTConfigurationTest {
  
    @Test
    public void testSetInternal()
    {
  
target:     DTConfiguration config = new DTConfiguration();
      config.setInternal("test-key", "test-value");
      Assert.assertEquals("test-value", config.get("test-key"));
      config.setInternal("test-key", "test-value-2");
      Assert.assertEquals("test-value-2", config.get("test-key"));
    }
  
  }