pkg/cri/sbserver: sub-test uses array and capture range var

Using array to build sub-tests is to avoid random pick. The shuffle
thing should be handled by go-test framework. And we should capture
range var before runing sub-test.

Signed-off-by: Wei Fu <fuweid89@gmail.com>

pkg/cri/sbserver/sandbox_stop_test.go

@@ -28,30 +28,35 @@ import (
 
 func TestWaitSandboxStop(t *testing.T) {
 	id := "test-id"
-	for desc, test := range map[string]struct {
+	for _, test := range []struct {
+		desc      string
 		state     sandboxstore.State
 		cancel    bool
 		timeout   time.Duration
 		expectErr bool
 	}{
-		"should return error if timeout exceeds": {
+		{
+			desc:      "should return error if timeout exceeds",
 			state:     sandboxstore.StateReady,
 			timeout:   200 * time.Millisecond,
 			expectErr: true,
 		},
-		"should return error if context is cancelled": {
+		{
+			desc:      "should return error if context is cancelled",
 			state:     sandboxstore.StateReady,
 			timeout:   time.Hour,
 			cancel:    true,
 			expectErr: true,
 		},
-		"should not return error if sandbox is stopped before timeout": {
+		{
+			desc:      "should not return error if sandbox is stopped before timeout",
 			state:     sandboxstore.StateNotReady,
 			timeout:   time.Hour,
 			expectErr: false,
 		},
 	} {
-		t.Run(desc, func(t *testing.T) {
+		test := test
+		t.Run(test.desc, func(t *testing.T) {
 			c := newTestCRIService()
 			sandbox := sandboxstore.NewSandbox(
 				sandboxstore.Metadata{ID: id},
@@ -69,7 +74,7 @@ func TestWaitSandboxStop(t *testing.T) {
 				ctx = timeoutCtx
 			}
 			err := c.waitSandboxStop(ctx, sandbox)
-			assert.Equal(t, test.expectErr, err != nil, desc)
+			assert.Equal(t, test.expectErr, err != nil, test.desc)
 		})
 	}
 }