waiter2.join();
  }

  public void testRemoveWaiter_polling() throws Exception {
    AbstractFuture<String> future = new AbstractFuture<String>() {};
    WaiterThread waiter = new WaiterThread(future);
    waiter.start();
    waiter.awaitWaiting();
    PollingThread poller = new PollingThread(future);
    poller.start();
    PollingThread poller2 = new PollingThread(future);
    poller2.start();

   ([#121946](https://github.com/kubernetes/kubernetes/pull/121946), [@liggitt](https://github.com/liggitt))

public class CommandExecutionExceptionTest extends UnitFessTestCase {

    public void test_constructor_withMessage() {
        // Test constructor with message only
        String message = "Command execution failed";
        CommandExecutionException exception = new CommandExecutionException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());

    public Integer crudMode;

    /**
     * The unique identifier of the failure URL record being edited.
     * This is a required field for identifying which failure record to update.
     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The URL that failed during crawling.
     * This is a required field containing the actual URL that encountered an error.
     */
    @Required

 * at one time; if a value is not available to be edited then [edit] will return null.
 *
 *  * When an entry is being **created** it is necessary to supply a full set of values; the empty
 *    value should be used as a placeholder if necessary.
 *
 *  * When an entry is being **edited**, it is not necessary to supply data for every value; values
 *    default to their previous value.
 *

		t.Fatalf("Exec insert failed: %v", err)
	}

	name2 := "GenericsExec2"
	if err := gorm.G[User](DB).Exec(ctx, "INSERT INTO ?(name) VALUES(?)", clause.Table{Name: clause.CurrentTable}, name2); err != nil {
		t.Fatalf("Exec insert failed: %v", err)
	}

	u, err := gorm.G[User](DB).Table("users as u").Where("u.name = ?", name).First(ctx)
	if err != nil {
		t.Fatalf("failed to find user, got error: %v", err)

		Create(coupon).Error
	if err != nil {
		t.Errorf("Failed, got error: %v", err)
	}

	if DB.First(&Coupon{}, "id = ?", coupon.ID).Error != nil {
		t.Errorf("Failed to query saved coupon")
	}

	if DB.First(&CouponProduct{}, "coupon_id = ? AND product_id = ?", coupon.ID, "full-save-association-product1").Error != nil {
		t.Errorf("Failed to query saved association")
	}

		t.Fatalf("failed to migrate, got error %v", err)
	}
	if err := DB.AutoMigrate(&CompositeKeyProduct{}); err != nil {
		t.Fatalf("failed to migrate, got error %v", err)
	}

	prod := &CompositeKeyProduct{
		LanguageCode: 56,
		Code:         "Code56",
		Name:         "ProductName56",
	}
	if err := DB.Create(&prod).Error; err != nil {
		t.Fatalf("failed to create, got error %v", err)
	}

	if err := DB.Create(&data).Error; err != nil {
		t.Fatalf("failed to create data, got error %v", err)
	}

	var result SerializerStruct
	if err := DB.First(&result, data.ID).Error; err != nil {
		t.Fatalf("failed to query data, got error %v", err)
	}

	AssertEqual(t, result, data)

	if err := DB.Model(&result).Update("roles", "").Error; err != nil {
		t.Fatalf("failed to update data's roles, got error %v", err)
	}

		t.Errorf("callbacks tests failed, got %v", msg)
	}

	createCallback.Remove("c4")
	if ok, msg := assertCallbacks(createCallback, []string{"c3", "c2"}); !ok {
		t.Errorf("callbacks tests failed, got %v", msg)
	}

	createCallback.Remove("c2")
	if ok, msg := assertCallbacks(createCallback, []string{"c3"}); !ok {
		t.Errorf("callbacks tests failed, got %v", msg)
	}

	createCallback.Remove("c3")