use subtest for table units (pkg/kubectl)

pkg/kubectl/plugins/plugins_test.go

@@ -20,10 +20,12 @@ import "testing"
 
 func TestPlugin(t *testing.T) {
 	tests := []struct {
+		name        string
 		plugin      *Plugin
 		expectedErr error
 	}{
 		{
+			name: "test1",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -33,6 +35,7 @@ func TestPlugin(t *testing.T) {
 			},
 		},
 		{
+			name: "test2",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -42,10 +45,12 @@ func TestPlugin(t *testing.T) {
 			expectedErr: ErrIncompletePlugin,
 		},
 		{
+			name:        "test3",
 			plugin:      &Plugin{},
 			expectedErr: ErrIncompletePlugin,
 		},
 		{
+			name: "test4",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test spaces",
@@ -56,6 +61,7 @@ func TestPlugin(t *testing.T) {
 			expectedErr: ErrInvalidPluginName,
 		},
 		{
+			name: "test5",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -71,6 +77,7 @@ func TestPlugin(t *testing.T) {
 			expectedErr: ErrIncompleteFlag,
 		},
 		{
+			name: "test6",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -87,6 +94,7 @@ func TestPlugin(t *testing.T) {
 			expectedErr: ErrInvalidFlagName,
 		},
 		{
+			name: "test7",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -104,6 +112,7 @@ func TestPlugin(t *testing.T) {
 			expectedErr: ErrInvalidFlagShorthand,
 		},
 		{
+			name: "test8",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -121,6 +130,7 @@ func TestPlugin(t *testing.T) {
 			expectedErr: ErrInvalidFlagShorthand,
 		},
 		{
+			name: "test9",
 			plugin: &Plugin{
 				Description: Description{
 					Name:      "test",
@@ -160,10 +170,12 @@ func TestPlugin(t *testing.T) {
 		},
 	}
 
-	for _, test := range tests {
-		err := test.plugin.Validate()
-		if err != test.expectedErr {
-			t.Errorf("%s: expected error %v, got %v", test.plugin.Name, test.expectedErr, err)
-		}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.plugin.Validate()
+			if err != tt.expectedErr {
+				t.Errorf("%s: expected error %v, got %v", tt.plugin.Name, tt.expectedErr, err)
+			}
+		})
 	}
 }