Update Makefile (#2020)

The ARO-RP returns special characters in color encoding special character, which is not decoded as of now. This change removes the color encoding characters by default in e2e tests

Makefile

@@ -2,7 +2,7 @@ SHELL = /bin/bash
 TAG ?= $(shell git describe --exact-match 2>/dev/null)
 COMMIT = $(shell git rev-parse --short=7 HEAD)$(shell [[ $$(git status --porcelain) = "" ]] || echo -dirty)
 ARO_IMAGE_BASE = ${RP_IMAGE_ACR}.azurecr.io/aro
-E2E_FLAGS ?= -test.timeout 180m -test.v -ginkgo.v
+E2E_FLAGS ?= -test.timeout 180m -test.v -ginkgo.v -ginkgo.noColor
 
 # fluentbit version must also be updated in RP code, see pkg/util/version/const.go
 FLUENTBIT_VERSION = 1.7.8-1