Lint error fixes

test/e2e/clusterlocaldomaintls/cluster_local_domain_tls_test.go

@@ -86,7 +86,6 @@ func TestClusterLocalDomainTLSClusterLocalVisibility(t *testing.T) {
 			Path:   svcUrl.Path,
 		}
 		t.Run(dns.name, func(t *testing.T) {
-			t.Parallel()
 			e2e.TestProxyToHelloworld(t, clients, helloworldURL, false, false, secret)
 		})
 	}
@@ -136,7 +135,6 @@ func TestClusterLocalDomainTLSClusterExternalVisibility(t *testing.T) {
 
 	// Check normal access on external domain
 	t.Run("external-access", func(t *testing.T) {
-		t.Parallel()
 		e2e.TestProxyToHelloworld(t, clients, externalURL, false, true, secret)
 	})
 
@@ -148,7 +146,6 @@ func TestClusterLocalDomainTLSClusterExternalVisibility(t *testing.T) {
 			Path:   internalURL.Path,
 		}
 		t.Run(dns.name, func(t *testing.T) {
-			t.Parallel()
 			e2e.TestProxyToHelloworld(t, clients, helloworldURL, false, false, secret)
 		})
 	}

test/e2e/httpproxy.go

@@ -1,3 +1,22 @@
+//go:build e2e
+// +build e2e
+
+/*
+Copyright 2023 The Knative Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package e2e
 
 import (