public String getFilepath() {
    return filepath;
  }
@Test
  public void testConstructorMessageAndThrowable() {
    Throwable cause = new RuntimeException( causeExceptionMessage );
    try {
      throw new KettleFileNotFoundException( errorMessage, cause );
    } catch ( KettleFileNotFoundException e ) {
      assertTrue( e.getMessage().contains( errorMessage ) );
      assertTrue( e.getMessage().contains( causeExceptionMessage ) );
      assertEquals( cause, e.getCause() );
      assertEquals( null, e.getFilepath() );
    }
  }