### Question:
StringConstraintEditor extends AbstractColumnConstraintEditor<String> { @Override public void reset() { setValue(getConstraint().copy("")); } StringConstraintEditor(StringColumnConstraint constraint, String errorMessage); @Override void reset(); @Override String getErrorMessage();  }### Answer:
@Test public void testReset() { setText("ABC"); runSwing(() -> editor.reset()); waitForSwing(); assertEquals("", textField.getText()); }