chore(makefile): Add makefile for tests

Add Makefile to reproduce the test commands used in the CI.

A better approach for the future would be to use the exact makefile in the CI
pipelines.

Author: ndyakov

Makefile

@@ -0,0 +1,7 @@
+
+test.ci:
+	go test ./... -coverprofile=./cover.out -covermode=atomic -race -count 2 -timeout 5m
+
+test:
+	go test ./... -coverprofile=./cover.out -covermode=atomic -race -count 1
+	go test ./... -bench=. -benchmem -count 1 -timeout 1m