Update readme with info about chrome driver version on e2e tests
Update readme with info about chrome driver version on e2e tests


Former-commit-id: c3b6c4c19ee0c72cd4bc5b5fc22f124ee1c1e91d
alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend