chore: move the go code into a subfolder

apps/api/internal/notification/handlers/integration_test/handlers_test.go

@@ -0,0 +1,23 @@
+//go:build integration
+
+package handlers_test
+
+import (
+	"context"
+	"os"
+	"testing"
+	"time"
+)
+
+var (
+	CTX context.Context
+)
+
+func TestMain(m *testing.M) {
+	os.Exit(func() int {
+		ctx, cancel := context.WithTimeout(context.Background(), 15*time.Minute)
+		defer cancel()
+		CTX = ctx
+		return m.Run()
+	}())
+}