### Question:
CheckBoxImpl { public void setChecked(final boolean state) { internalSetChecked(state); } 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 testSetToChecked() { expectViewUpdate(true); checkBox.setChecked(true); assertCheckBoxState(true); }