fix(build): don't set -race when testing on s390x

the race flag is not supported on linux/s390x

Author: ecordell

Makefile

@@ -7,6 +7,12 @@ GIT_COMMIT := $(shell git rev-parse --short HEAD)
 OPM_VERSION := $(shell cat OPM_VERSION)
 BUILD_DATE := $(shell date -u +'%Y-%m-%dT%H:%M:%SZ')
 TAGS := -tags "json1"
+# -race is only supported on linux/amd64, linux/ppc64le, linux/arm64, freebsd/amd64, netbsd/amd64, darwin/amd64 and windows/amd64
+ifeq ($(GOARCH),s390x)
+TEST_RACE :=
+else
+TEST_RACE := -race
+endif
 
 
 .PHONY: all
@@ -28,7 +34,7 @@ static: build
 
 .PHONY: unit
 unit:
-	$(GO) test $(SPECIFIC_UNIT_TEST) $(TAGS) -count=1 -v -race ./pkg/...
+	$(GO) test $(SPECIFIC_UNIT_TEST) $(TAGS) $(TEST_RACE) -count=1 -v ./pkg/...
 
 .PHONY: image
 image: