disable ui e2e tests (codeready-toolchain#1205)

Co-authored-by: Francisc Munteanu <fmuntean@redhat.com>

Author: rsoaresd

make/test.mk

@@ -42,7 +42,7 @@ TESTS_RUN_FILTER_REGEXP ?= ""
 .PHONY: test-e2e
 ## Run the e2e tests
 test-e2e: INSTALL_OPERATOR=true
-test-e2e: prepare-e2e verify-migration-and-deploy-e2e e2e-run-parallel e2e-run e2e-run-metrics test-ui-e2e
+test-e2e: prepare-e2e verify-migration-and-deploy-e2e e2e-run-parallel e2e-run e2e-run-metrics
 	@echo "The tests successfully finished"
 	@echo "To clean the cluster run 'make clean-e2e-resources'"