Add workflow interceptor test

test/workflow_interceptor_test.go

@@ -0,0 +1,19 @@
+package test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/dtm-labs/dtm/client/workflow"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+)
+
+func TestWorkflowInterceptorOutsideSaga(t *testing.T) {
+	called := false
+	workflow.Interceptor(context.TODO(), "method", nil, nil, nil, func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, opts ...grpc.CallOption) error {
+		called = true
+		return nil
+	})
+	assert.True(t, called)
+}