chore(tests): isolates resource reconcile tests (opendatahub-io#1101)

Ensures each test case deploys resources in their own namespaces to
avoid sharing state between tests (sometimes unintentionally).

Follow up to opendatahub-io#1098

(cherry picked from commit 67309b6)

tests/integration/features/fixtures/templates/managed-svc.yaml → tests/integration/features/fixtures/templates/managed-svc.tmpl.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: managed-svc
-  namespace: "test-namespace"
+  namespace: {{ .TargetNamespace }}
   annotations:
     opendatahub.io/managed: "true"
     test-annotation: "original-value"

tests/integration/features/fixtures/templates/unmanaged-svc.yaml → tests/integration/features/fixtures/templates/unmanaged-svc.tmpl.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: unmanaged-svc
-  namespace: "test-namespace"
+  namespace: {{ .TargetNamespace }}
   annotations:
     opendatahub.io/managed: "false"
     test-annotation: "original-value"

tests/integration/features/resources_int_test.go

@@ -34,7 +34,7 @@ var _ = Describe("Applying and updating resources", func() {
 	BeforeEach(func(ctx context.Context) {
 		objectCleaner = envtestutil.CreateCleaner(envTestClient, envTest.Config, fixtures.Timeout, fixtures.Interval)
 
-		testNamespace = "test-namespace"
+		testNamespace = envtestutil.AppendRandomNameTo("test-namespace")
 
 		var err error
 		namespace, err = cluster.CreateNamespace(ctx, envTestClient, testNamespace)
@@ -92,7 +92,7 @@ var _ = Describe("Applying and updating resources", func() {
 					UsingConfig(envTest.Config).
 					Managed().
 					ManifestsLocation(fixtures.TestEmbeddedFiles).
-					Manifests(path.Join(fixtures.BaseDir, "unmanaged-svc.yaml")).
+					Manifests(path.Join(fixtures.BaseDir, "unmanaged-svc.tmpl.yaml")).
 					Load()
 
 			})
@@ -156,7 +156,7 @@ var _ = Describe("Applying and updating resources", func() {
 					For(handler).
 					UsingConfig(envTest.Config).
 					ManifestsLocation(fixtures.TestEmbeddedFiles).
-					Manifests(path.Join(fixtures.BaseDir, "managed-svc.yaml")).
+					Manifests(path.Join(fixtures.BaseDir, "managed-svc.tmpl.yaml")).
 					Load()
 			})
 			Expect(featuresHandler.Apply(ctx)).To(Succeed())