// Test with null input
  // Test with valid input
  @Test
  public void testWriteEndValid() {
    String s;
    StringWriter writer = new StringWriter();

    try {
      sLogger.writeEnd(writer);
      s = writer.getBuffer().toString();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  @Test
  public void testWriteEndNull() {
    String s = null;
    StringWriter writer = new StringWriter();

    try {
      sLogger.writeEnd(null);
      s = writer.getBuffer().toString();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    assertEquals("", s.toString());
  }