Makefile: remove sudo from test-robustness target

Signed-off-by: Ivan Valdes <[email protected]>

Makefile

@@ -90,11 +90,10 @@ test-failpoint:
 	@echo "[failpoint] array freelist test"
 	BBOLT_VERIFY=all TEST_FREELIST_TYPE=array go test -v ${TESTFLAGS} -timeout 30m ./tests/failpoint
 
-.PHONY: test-robustness # Running robustness tests requires root permission for now
-# TODO: Remove sudo once we fully migrate to the prow infrastructure
+.PHONY: test-robustness # Running robustness tests requires to run as superuser
 test-robustness: gofail-enable build
-	sudo env PATH=$$PATH go test -v ${TESTFLAGS} ./tests/dmflakey -test.root
-	sudo env PATH=$(PWD)/bin:$$PATH go test -v ${TESTFLAGS} ${ROBUSTNESS_TESTFLAGS} ./tests/robustness -test.root
+	env PATH=$$PATH go test -v ${TESTFLAGS} ./tests/dmflakey -test.root
+	env PATH=$(PWD)/bin:$$PATH go test -v ${TESTFLAGS} ${ROBUSTNESS_TESTFLAGS} ./tests/robustness -test.root
 
 .PHONY: test-benchmark-compare
 # Runs benchmark tests on the current git ref and the given REF, and compares