test: separate specification tests from race conditions tests

.github/workflows/build.yml

@@ -25,9 +25,11 @@ jobs:
         run: go get -t -v ./...
       - name: Go vet
         run: go vet ./...
-      - name: Run all tests
+      - name: Run spec tests
+        run: go test -v ./... -tags='norace'
+      - name: Run all tests with race detection
         timeout-minutes: 1
-        run: go test -race -covermode atomic -coverprofile=profile.cov -v ./...
+        run: go test -race -covermode atomic -coverprofile=profile.cov -v ./... -tags='!norace'
       - name: Send coverage
         uses: shogo82148/actions-goveralls@v1
         with:

Makefile

@@ -25,4 +25,4 @@ test: check
 	go test ./...
 
 test-race: check
-	go test -race ./...
+	go test -race ./... -tags='!norace'

internal/strategies/flexible_rollout_test.go

@@ -1,3 +1,5 @@
+// +build norace
+
 package strategies
 
 import (

internal/strategies/gradual_rollout_random_test.go

@@ -1,3 +1,5 @@
+// +build norace
+
 package strategies
 
 import (

internal/strategies/gradual_rollout_session_id_test.go

@@ -1,3 +1,5 @@
+// +build norace
+
 package strategies
 
 import (

internal/strategies/gradual_rollout_user_id_test.go

@@ -1,3 +1,5 @@
+// +build norace
+
 package strategies
 
 import (

spec_test.go

@@ -1,3 +1,5 @@
+// +build norace
+
 package unleash
 
 import (