makefile improvements

Signed-off-by: Angelo De Caro <adc@zurich.ibm.com>

Author: adecaro

Makefile

@@ -45,12 +45,12 @@ unit-tests:
 
 .PHONY: unit-tests-race
 unit-tests-race:
-	@export GORACE=history_size=7; go test -race -cover $(shell go list ./... | grep -v '/integration/')
+	@export GORACE=history_size=7; go test -race -cover $(shell go list ./... | grep -v '/integration/'  | grep -v 'regression')
 	cd integration/nwo/; go test -cover ./...
 
 .PHONY: unit-tests-regression
 unit-tests-regression:
-	@go test -cover $(shell go list ./... | grep -v '/integration/' | grep 'regression')
+	@go test -race -timeout 0 -cover $(shell go list ./... | grep -v '/integration/' | grep 'regression')
 
 .PHONY: install-softhsm
 install-softhsm: