Revert e2e parallel

Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>

test/e2e/flags/auto_reload_all_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Auto Reload All Flag Tests", func() {
+var _ = Describe("Auto Reload All Flag Tests", Serial, func() {
 	var (
 		deploymentName string
 		configMapName  string

test/e2e/flags/flags_suite_test.go

@@ -2,6 +2,7 @@ package flags
 
 import (
 	"context"
+	"encoding/json"
 	"testing"
 
 	. "github.com/onsi/ginkgo/v2"
@@ -23,25 +24,55 @@ func TestFlags(t *testing.T) {
 	RunSpecs(t, "Flag-Based E2E Suite")
 }
 
-var _ = BeforeSuite(func() {
-	var err error
-	ctx = context.Background()
+// SynchronizedBeforeSuite ensures only process 1 creates the shared namespace.
+// The flags tests each deploy/undeploy Reloader themselves (marked Serial), so
+// there is no shared Reloader instance — only the namespace is shared.
+var _ = SynchronizedBeforeSuite(
+	// Process 1 only: create namespace, build clients.
+	func() []byte {
+		setupEnv, err := utils.SetupTestEnvironment(context.Background(), "reloader-flags")
+		Expect(err).NotTo(HaveOccurred(), "Failed to setup test environment")
+		// Ensure the namespace is cleaned up if setup fails.
+		DeferCleanup(setupEnv.CleanupOnFailure)
 
-	testEnv, err = utils.SetupTestEnvironment(ctx, "reloader-flags")
-	Expect(err).NotTo(HaveOccurred(), "Failed to setup test environment")
+		data, err := json.Marshal(utils.SharedEnvData{
+			Namespace:   setupEnv.Namespace,
+			ReleaseName: setupEnv.ReleaseName,
+		})
+		Expect(err).NotTo(HaveOccurred())
+		return data
+	},
+	// All processes (including #1): connect to the shared namespace.
+	func(data []byte) {
+		var shared utils.SharedEnvData
+		Expect(json.Unmarshal(data, &shared)).To(Succeed())
 
-	kubeClient = testEnv.KubeClient
-	testNamespace = testEnv.Namespace
-})
+		var err error
+		testEnv, err = utils.SetupSharedTestEnvironment(context.Background(), shared.Namespace, shared.ReleaseName)
+		Expect(err).NotTo(HaveOccurred(), "Failed to setup shared test environment")
 
-var _ = AfterSuite(func() {
-	if testEnv != nil {
-		err := testEnv.Cleanup()
-		Expect(err).NotTo(HaveOccurred(), "Failed to cleanup test environment")
-	}
+		kubeClient = testEnv.KubeClient
+		testNamespace = testEnv.Namespace
+		ctx = testEnv.Ctx
+	},
+)
 
-	GinkgoWriter.Println("Flags E2E Suite cleanup complete")
-})
+var _ = SynchronizedAfterSuite(
+	// All processes: cancel the per-process context.
+	func() {
+		if testEnv != nil {
+			testEnv.Cancel()
+		}
+	},
+	// Process 1 only (runs last): delete namespace.
+	func() {
+		if testEnv != nil {
+			err := testEnv.Cleanup()
+			Expect(err).NotTo(HaveOccurred(), "Failed to cleanup test environment")
+		}
+		GinkgoWriter.Println("Flags E2E Suite cleanup complete")
+	},
+)
 
 // deployReloaderWithFlags deploys Reloader with the specified Helm value overrides.
 // This is a convenience function for tests that need to deploy with specific flags.

test/e2e/flags/ignore_resources_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Ignore Resources Flag Tests", func() {
+var _ = Describe("Ignore Resources Flag Tests", Serial, func() {
 	var (
 		deploymentName string
 		configMapName  string

test/e2e/flags/ignored_workloads_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Ignored Workloads Flag Tests", func() {
+var _ = Describe("Ignored Workloads Flag Tests", Serial, func() {
 	var (
 		cronJobName      string
 		configMapName    string

test/e2e/flags/namespace_ignore_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Namespace Ignore Flag Tests", func() {
+var _ = Describe("Namespace Ignore Flag Tests", Serial, func() {
 	var (
 		deploymentName   string
 		configMapName    string

test/e2e/flags/namespace_selector_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Namespace Selector Flag Tests", func() {
+var _ = Describe("Namespace Selector Flag Tests", Serial, func() {
 	var (
 		deploymentName string
 		configMapName  string

test/e2e/flags/reload_on_create_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Reload On Create Flag Tests", func() {
+var _ = Describe("Reload On Create Flag Tests", Serial, func() {
 	var (
 		deploymentName  string
 		configMapName   string

test/e2e/flags/reload_on_delete_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Reload On Delete Flag Tests", func() {
+var _ = Describe("Reload On Delete Flag Tests", Serial, func() {
 	var (
 		deploymentName  string
 		configMapName   string

test/e2e/flags/resource_selector_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Resource Label Selector Flag Tests", func() {
+var _ = Describe("Resource Label Selector Flag Tests", Serial, func() {
 	var (
 		deploymentName string
 		matchingCM     string

test/e2e/flags/watch_globally_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Watch Globally Flag Tests", func() {
+var _ = Describe("Watch Globally Flag Tests", Serial, func() {
 	var (
 		deploymentName string
 		configMapName  string