@Test
public void testConvert() {

    
    FileConverter instance = new FileConverter();
    File result;
    
    assertThat(instance.convert(null, context)).isNull();
    
    URL testfileUrl = getClass().getResource("/testfile.properties");
    System.out.println(testfileUrl.toString());
    result = instance.convert(testfileUrl.toString(), context);
    assertThat(result).isNotNull();
    assertThat(context.getSupportedFormats()).contains("<File> (FileConverter)");
}