Test: Use v1.19.5 instead of v1.20.0 for middleware update test

v1.20.0 was failing in CI with buildpack lifecycle error (status code 51)

Author: creydr

test/e2e/func_middleware_update_test.go

@@ -67,8 +67,8 @@ var _ = Describe("Middleware Update", func() {
 			Expect(err).NotTo(HaveOccurred())
 			DeferCleanup(cleanupNamespaces, functionNamespace)
 
-			// Deploy function using OLD func CLI version
-			out, err := utils.RunFuncWithVersion("v1.20.0", "deploy",
+			// Deploy function using OLD func CLI version (v1.19.5 has no middleware-version label)
+			out, err := utils.RunFuncWithVersion("v1.19.5", "deploy",
 				"--namespace", functionNamespace,
 				"--path", repoDir,
 				"--registry", registry,
@@ -119,7 +119,7 @@ var _ = Describe("Middleware Update", func() {
 			// We use skopeo with localhost:5001 (port-forward to the registry) to
 			// directly inspect the OCI image labels and verify the middleware was updated.
 
-			// Get initial image digest from func describe (deployed with old v1.20.0)
+			// Get initial image digest from func describe (deployed with v1.19.5)
 			out, err := utils.RunFunc("describe", deployedFunctionName, "-n", functionNamespace, "-o", "yaml")
 			Expect(err).NotTo(HaveOccurred())
 
@@ -129,9 +129,9 @@ var _ = Describe("Middleware Update", func() {
 
 			initialImage := initialInstance.Image
 			Expect(initialImage).NotTo(BeEmpty(), "Initial image should be available from func describe")
-			_, _ = fmt.Fprintf(GinkgoWriter, "Initial image (deployed with v1.20.0): %s\n", initialImage)
+			_, _ = fmt.Fprintf(GinkgoWriter, "Initial image (deployed with v1.19.5): %s\n", initialImage)
 
-			// Verify initial image has no middleware-version label (old func CLI)
+			// Verify initial image has no middleware-version label (v1.19.5 doesn't set it)
 			initialImageLocal := strings.Replace(initialImage, "kind-registry:5000", "localhost:5001", 1)
 			// Remove tag if both tag and digest are present (skopeo doesn't support this format)
 			if strings.Contains(initialImageLocal, "@") {
@@ -160,7 +160,7 @@ var _ = Describe("Middleware Update", func() {
 			Expect(err).NotTo(HaveOccurred())
 
 			initialMiddlewareVersion := initialImageLabels.Labels["middleware-version"]
-			_, _ = fmt.Fprintf(GinkgoWriter, "Initial middleware-version label: '%s' (expected empty for v1.20.0)\n",
+			_, _ = fmt.Fprintf(GinkgoWriter, "Initial middleware-version label: '%s' (expected empty for v1.19.5)\n",
 				initialMiddlewareVersion)
 
 			// Create a Function resource