[Monorepo] Combine Unit Tests

- Updated the root `Makefile` with a unified `test-unit` target to execute unit tests for the entire project.
- Removed the `test-unit` target from the `Makefile` under the `catalogd` directory as it is no longer needed.

Author: camilamacedo86

.github/workflows/catalogd-unit.yaml

@@ -147,7 +147,7 @@ verify-crd-compatibility: $(CRD_DIFF) manifests
 	$(CRD_DIFF) --config="${CRD_DIFF_CONFIG}" "git://${CRD_DIFF_ORIGINAL_REF}?path=config/base/crd/bases/olm.operatorframework.io_clusterextensions.yaml" ${CRD_DIFF_UPDATED_SOURCE}
 
 .PHONY: test
-test: manifests generate fmt vet test-unit test-e2e #HELP Run all tests.
+test: manifests generate generate-catalogd fmt vet test-unit test-e2e #HELP Run all tests.
 
 .PHONY: e2e
 e2e: #EXHELP Run the e2e tests.
@@ -168,7 +168,7 @@ test-ext-dev-e2e: $(OPERATOR_SDK) $(KUSTOMIZE) $(KIND) #HELP Run extension creat
 	go test -count=1 -v ./test/extension-developer-e2e/...
 
 ENVTEST_VERSION := $(shell go list -m k8s.io/client-go | cut -d" " -f2 | sed 's/^v0\.\([[:digit:]]\{1,\}\)\.[[:digit:]]\{1,\}$$/1.\1.x/')
-UNIT_TEST_DIRS := $(shell go list ./... | grep -v /test/)
+UNIT_TEST_DIRS := $(shell go list ./... | grep -v /test/ | grep -v /catalogd/test/)
 COVERAGE_UNIT_DIR := $(ROOT_DIR)/coverage/unit
 
 .PHONY: envtest-k8s-bins #HELP Uses setup-envtest to download and install the binaries required to run ENVTEST-test based locally at the project/bin directory.

Makefile

@@ -15,14 +15,6 @@ export IMAGE_TAG
 
 IMAGE := $(IMAGE_REPO):$(IMAGE_TAG)
 
-# By default setup-envtest will write to $XDG_DATA_HOME, or $HOME/.local/share if that is not defined.
-# If $HOME is not set, we need to specify a binary directory to prevent an error in setup-envtest.
-# Useful for some CI/CD environments that set neither $XDG_DATA_HOME nor $HOME.
-SETUP_ENVTEST_BIN_DIR_OVERRIDE=
-ifeq ($(shell [[ $$HOME == "" || $$HOME == "/" ]] && [[ $$XDG_DATA_HOME == "" ]] && echo true ), true)
-	SETUP_ENVTEST_BIN_DIR_OVERRIDE += --bin-dir /tmp/envtest-binaries
-endif
-
 ifneq (, $(shell command -v docker 2>/dev/null))
 CONTAINER_RUNTIME := docker
 else ifneq (, $(shell command -v podman 2>/dev/null))
@@ -87,14 +79,6 @@ bingo-upgrade: $(BINGO) #EXHELP Upgrade tools
 		$(BINGO) get "$$pkg@latest"; \
 	done
 
-.PHONY: test-unit
-UNIT_TEST_DIRS := $(shell go list ./... | grep -v /test/e2e | grep -v /test/upgrade)
-test-unit: generate fmt vet $(SETUP_ENVTEST) ## Run tests.
-	eval $$($(SETUP_ENVTEST) use -p env $(ENVTEST_SERVER_VERSION) $(SETUP_ENVTEST_BIN_DIR_OVERRIDE)) && \
-        go test \
-          -tags '$(GO_BUILD_TAGS)' \
-          -coverprofile cover.out \
-          $(UNIT_TEST_DIRS)
 
 FOCUS := $(if $(TEST),-v -focus "$(TEST)")
 ifeq ($(origin E2E_FLAGS), undefined)