test: fix Webhook E2E test failures on AKS

Switching to a cluster manifest file containing the "E2E_DEFAULT_STORAGE_CLASS" variable
so that the test will run with required storage class as per cloud provider.

Co-authored-by: Jitendra Wadle <jitendrawadle@Laptop566-pn-in.local>
Co-authored-by: Tao <tao.li@enterprisedb.com>
Co-authored-by: Jaime Silvela <jaime.silvela@enterprisedb.com>

Author: 4 people

tests/e2e/webhook_test.go

@@ -29,16 +29,16 @@ affected.
 var _ = Describe("webhook", Serial, Label(tests.LabelDisruptive), Ordered, func() {
 	// Define some constants to be used in the test
 	const (
-		clusterName       = "cluster-basic"
-		sampleFile        = fixturesDir + "/base/cluster-basic.yaml"
+		sampleFile        = fixturesDir + "/base/cluster-storage-class.yaml"
 		operatorNamespace = "postgresql-operator-system"
 		level             = tests.Highest
 		mutatingWebhook   = "mcluster.kb.io"
 		validatingWebhook = "vcluster.kb.io"
 	)
 
-	var webhookNamespace string
+	var webhookNamespace, clusterName string
 	var clusterIsDefaulted bool
+	var err error
 
 	BeforeEach(func() {
 		if testLevelEnv.Depth < int(level) {
@@ -57,6 +57,11 @@ var _ = Describe("webhook", Serial, Label(tests.LabelDisruptive), Ordered, func(
 		Expect(err).ToNot(HaveOccurred())
 	})
 
+	BeforeAll(func() {
+		clusterName, err = env.GetResourceNameFromYAML(sampleFile)
+		Expect(err).ToNot(HaveOccurred())
+	})
+
 	It("checks if webhook works as expected", func() {
 		webhookNamespace = "webhook-test"
 		clusterIsDefaulted = true