Fix flakes in tests
``` lcsb.mapviewer.annotation.services.ChEMBLParserTest.testCachableInterfaceInvalidateDrug(lcsb.mapviewer.annotation.services.ChEMBLParserTest) lcsb.mapviewer.annotation.services.ChEMBLParserTest.testCachableInterfaceInvalidateUrl(lcsb.mapviewer.annotation.services.ChEMBLParserTest) lcsb.mapviewer.annotation.services.DrugbankHTMLParserTest.testCachableInterfaceInvalidateDrug(lcsb.mapviewer.annotation.services.DrugbankHTMLParserTest) lcsb.mapviewer.annotation.services.DrugbankHTMLParserTest.testCachableInterfaceInvalidateUrl(lcsb.mapviewer.annotation.services.DrugbankHTMLParserTest) lcsb.mapviewer.annotation.services.PubmedParserTest.testCachableInterface(lcsb.mapviewer.annotation.services.PubmedParserTest) lcsb.mapviewer.annotation.services.annotators.ChebiAnnotatorTest.testCachableInterfaceById(lcsb.mapviewer.annotation.services.annotators.ChebiAnnotatorTest) lcsb.mapviewer.annotation.services.annotators.ChebiAnnotatorTest.testCachableInterfaceByName(lcsb.mapviewer.annotation.services.annotators.ChebiAnnotatorTest) lcsb.mapviewer.annotation.services.annotators.EnsemblAnnotatorTest.testCachableInterfaceInvalidate(lcsb.mapviewer.annotation.services.annotators.EnsemblAnnotatorTest) lcsb.mapviewer.annotation.services.annotators.EntrezAnnotatorTest.testCachableInterfaceInvalidate(lcsb.mapviewer.annotation.services.annotators.EntrezAnnotatorTest) lcsb.mapviewer.annotation.services.annotators.GoAnnotatorTest.testCachableInterface(lcsb.mapviewer.annotation.services.annotators.GoAnnotatorTest) lcsb.mapviewer.annotation.services.annotators.HgncAnnotatorTest.testCachableInterfaceInvalidate(lcsb.mapviewer.annotation.services.annotators.HgncAnnotatorTest) ```
issue