@Test
public final void tc_addPropertiesFile_OKWFileDoesNotExistsException() throws IOException
{

    okw.OKW_FileHelper.deleteFile( "testPropertiesExpected.properties" );
    
    Assertions.assertThrows( OKWFileDoesNotExistsException.class, () ->
    {
        myProperties.addPropertiesFile( "testPropertiesExpected.properties" );
    }); 
    
}