added a target dedicated for running unit-test only (kubernetes-sigs#739)

* added a target dedicated for running unit-test only.

this is very useful during development.

Signed-off-by: Nir Rozenbaum <[email protected]>

* code review

Signed-off-by: Nir Rozenbaum <[email protected]>

---------

Signed-off-by: Nir Rozenbaum <[email protected]>

Author: nirrozenbaum

Makefile

@@ -123,8 +123,12 @@ vet: ## Run go vet against code.
 test: manifests generate fmt vet envtest image-build ## Run tests.
 	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e) -race -coverprofile cover.out
 
+.PHONY: test-unit
+test-unit: ## Run unit tests.
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./pkg/... -race -coverprofile cover.out
+
 .PHONY: test-integration
-test-integration: ## Run tests.
+test-integration: ## Run integration tests.
 	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./test/integration/epp/... -race -coverprofile cover.out
 
 .PHONY: test-e2e