### Question:
CheckBoxImpl { public void uncheck() { internalSetChecked(false); } CheckBoxImpl(@Nonnull final CheckBox checkbox); void bindToView(@Nonnull final CheckBoxView checkBoxView); void check(); void uncheck(); void setChecked(final boolean state); boolean isChecked(); void toggle();  }### Answer:
@Test public void testUncheck() { replay(view); checkBox.uncheck(); assertEquals(false, checkBox.isChecked()); }