Merge pull request #2473 from k8s-infra-cherrypick-robot/cherry-pick-2471-to-release-1.31

[release-1.31] test: set ginkgo timeout as 180m

Author: k8s-ci-robot

Makefile

@@ -36,7 +36,7 @@ endif
 ifdef EXTERNAL_E2E_TEST_NFS
 E2E_HELM_OPTIONS += --set feature.enableVolumeMountGroup=false --set feature.fsGroupPolicy=File
 endif
-GINKGO_FLAGS = -ginkgo.v
+GINKGO_FLAGS = -ginkgo.v --ginkgo.timeout=180m
 GO111MODULE = on
 GOPATH ?= $(shell go env GOPATH)
 GOBIN ?= $(GOPATH)/bin