@Test
public void testDefaultOutputFormatIsNotDestroyedByIncorrectFileExtensionDetection() {

    OutputFormat testedFormat = OutputFormat.HTML;
    OutputSettings settings = OutputSettings.builder().build();
    String expResult = DEFAULT_OUTPUT_DIR + "/wibble_exomiser.html";
    String result = ResultsWriterUtils.makeOutputFilename(vcfPath, settings.getOutputPrefix(), testedFormat, ModeOfInheritance.ANY);
    assertThat(result, equalTo(expResult));
}