Enable 'copyloopvar' linter

internal/concierge/impersonator/impersonator_test.go

@@ -667,7 +667,6 @@ func TestImpersonator(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
-		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
@@ -1796,7 +1795,6 @@ func TestImpersonatorHTTPHandler(t *testing.T) {
 	}
 
 	for _, tt := range tests {
-		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
@@ -2061,7 +2059,6 @@ func Test_withBearerTokenPreservation(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
-		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 

internal/concierge/impersonator/roundtripper_test.go

@@ -1,4 +1,4 @@
-// Copyright 2023 the Pinniped contributors. All Rights Reserved.
+// Copyright 2023-2024 the Pinniped contributors. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
 package impersonator
@@ -72,7 +72,6 @@ func TestRoundTrip(t *testing.T) {
 			wantError: "no impersonator service account token available",
 		},
 	} {
-		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			base := &fakeRoundTripper{
 				response: new(http.Response),

internal/concierge/scheme/scheme_test.go

@@ -1,4 +1,4 @@
-// Copyright 2021 the Pinniped contributors. All Rights Reserved.
+// Copyright 2021-2024 the Pinniped contributors. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
 package scheme
@@ -188,7 +188,6 @@ func TestNew(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
-		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			scheme, loginGV, identityGV := New(tt.apiGroupSuffix)
 			require.Equal(t, tt.want, scheme.AllKnownTypes())

internal/concierge/server/server_test.go

@@ -1,4 +1,4 @@
-// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
+// Copyright 2020-2024 the Pinniped contributors. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
 package server
@@ -67,7 +67,6 @@ func TestCommand(t *testing.T) {
 		},
 	}
 	for _, test := range tests {
-		test := test
 		t.Run(test.name, func(t *testing.T) {
 			stdout := bytes.NewBuffer([]byte{})
 			stderr := bytes.NewBuffer([]byte{})