(prow.)Makefile: transition from slashes to hyphens

Adding back the slashes to allow the CI to pass. We have a chicken and
the egg problem. The CI for SDK doesn't know about the hyphens and the
CI for the release PR doesn't know about the slashes.

Author: jmrodri

Makefile

@@ -108,13 +108,13 @@ build/%.asc:
 
 test: test-unit ## Run the tests
 
-test-markdown:
+test-markdown test/markdown:
 	./hack/ci/marker --root=doc
 
-test-sanity: tidy
+test-sanity test/sanity: tidy
 	./hack/tests/sanity-check.sh
 
-test-unit: ## Run the unit tests
+test-unit test/unit: ## Run the unit tests
 	$(Q)go test -count=1 -short ./cmd/...
 	$(Q)go test -count=1 -short ./pkg/...
 	$(Q)go test -count=1 -short ./internal/...

ci/prow.Makefile

@@ -7,14 +7,14 @@ export GOPROXY ?= https://proxy.golang.org/
 build:
 	$(MAKE) -f Makefile build/operator-sdk
 
-test-e2e-go:
+test-e2e-go test/e2e/go:
 	./ci/tests/e2e-go.sh $(ARGS)
 
-test-e2e-ansible:
+test-e2e-ansible test/e2e/ansible:
 	./ci/tests/e2e-ansible.sh
 
-test-e2e-helm:
+test-e2e-helm test/e2e/helm:
 	./ci/tests/e2e-helm.sh
 
-test-subcommand:
+test-subcommand test/subcommand:
 	./ci/tests/subcommand.sh