Update Gemfile and Makefile configuration
  - One Gemfile for all formulas tests
  - Update Makefile for OpenStack tests
  - No kitchen tests for oslo-templates formula

Fixes: PROD-24408 (PROD:24408)
Change-Id: I842064ae6a35c840e653eea49d2b386dcfb74232
diff --git a/Makefile b/Makefile
index f9b4f47..fb69046 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,11 @@
 JOBS := 1
 endif
 
+ifeq (,$(wildcard ./.kitchen.openstack.yml))
+KITCHEN_LOCAL_YAML?=.kitchen.openstack.yml
+else
 KITCHEN_LOCAL_YAML?=.kitchen.yml
+endif
 KITCHEN_OPTS?="--concurrency=$(JOBS)"
 KITCHEN_OPTS_CREATE?=""
 KITCHEN_OPTS_CONVERGE?=""
@@ -34,7 +38,6 @@
 	@echo "make release-major  - Generate new major release"
 	@echo "make release-minor  - Generate new minor release"
 	@echo "make changelog      - Show changes since last release"
-	@echo "make test-model-validate      - Run salt jsonschema validation"
 
 install:
 	# Formula
@@ -42,7 +45,6 @@
 	cp -a $(FORMULANAME) $(DESTDIR)/$(SALTENVDIR)/
 	[ ! -d _modules ] || cp -a _modules $(DESTDIR)/$(SALTENVDIR)/
 	[ ! -d _states ] || cp -a _states $(DESTDIR)/$(SALTENVDIR)/ || true
-	[ ! -d _engines ] || cp -a _engines $(DESTDIR)/$(SALTENVDIR)/ || true
 	[ ! -d _grains ] || cp -a _grains $(DESTDIR)/$(SALTENVDIR)/ || true
 	# Metadata
 	[ -d $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME) ] || mkdir -p $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME)
@@ -54,10 +56,6 @@
 test:
 	[ ! -d tests ] || (cd tests; ./run_tests.sh)
 
-test-model-validate:
-	# TODO make it actually fail
-	[ ! -d $(FORMULANAME)/schemas/ ] || (cd tests; ./run_tests.sh model-validate)
-
 release-major: check-changes
 	@echo "Current version is $(VERSION), new version is $(NEW_MAJOR_VERSION)"
 	@[ $(VERSION_MAJOR) != $(NEW_MAJOR_VERSION) ] || (echo "Major version $(NEW_MAJOR_VERSION) already released, nothing to do. Do you want release-minor?" && exit 1)