@Test
public void testWriteString() {

    OutputSettings settings = OutputSettings.builder()
            .outputFormats(EnumSet.of(OutputFormat.TSV_GENE))
            .build();
    String outString = instance.writeString(ModeOfInheritance.AUTOSOMAL_DOMINANT, analysis, analysisResults, settings);
    assertThat(outString, equalTo(HEADER + FGFR2_GENE_STRING + RBM8A_GENE_STRING));
}