@Test
void testGeneIdToGeneSymbol(){

  Map<TermId, String> geneMap = parser.getGeneIdToSymbolMap();
  assertEquals(geneMap.get(TermId.of("NCBIGene:2690")),"GHR");
  assertEquals(geneMap.get(TermId.of("NCBIGene:2200")),"FBN1");
}