make: pass GOFLAGS env variable to test command ran with sudo

Signed-off-by: Allen Davis <hoplin44@proton.me>

Author: timbretimber

Makefile

@@ -21,7 +21,7 @@ update-gomod:
 
 .PHONY: check
 check: default
-	sudo GOENV=$(shell go env GOENV) go test -v ./...
+	sudo GOENV=$(shell go env GOENV) GOFLAGS=$(GOFLAGS) go test -v ./...
 
 .PHONY: dist
 dist: