export kubebuilder_assets in makefile

Signed-off-by: varshaprasad96 <varshaprasad96@gmail.com>

Author: varshaprasad96

Makefile

@@ -144,15 +144,15 @@ e2e_targets := test-e2e $(e2e_tests)
 
 .PHONY: test-e2e-setup
 export KIND_CLUSTER := operator-sdk-e2e
+export KUBEBUILDER_ASSETS=$(shell $(shell go env GOPATH)/bin/setup-envtest use $(K8S_VERSION) --bin-dir tools/bin/ -p path)
 test-e2e-setup: build envtest
 $(SCRIPTS_DIR)/fetch kind 0.11.0
 $(SCRIPTS_DIR)/fetch kubectl $(K8S_VERSION) # Install kubectl AFTER envtest because envtest includes its own kubectl binary
 [[ "`$(TOOLS_DIR)/kind get clusters`" =~ "$(KIND_CLUSTER)" ]] || $(TOOLS_DIR)/kind create cluster --image="kindest/node:v$(K8S_VERSION)" --name $(KIND_CLUSTER)
 
 # install envtest binary
 envtest:
-go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
-$(shell go env GOPATH)/bin/setup-envtest use $(K8S_VERSION) --bin-dir tools/bin/ -p env
+go install $(GO_BUILD_ARGS) sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
 
 .PHONY: test-e2e-teardown
 test-e2e-teardown: