propagate env to e2e tests so they can get correct branch of e2e tests
propagate env to e2e tests so they can get correct branch of e2e tests

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk