@Test
public void toBoolean_valueIsFalse() throws JspException {

    assertThat(JspTagUtils.toBoolean("false", true, null), is(false));
    assertThat(JspTagUtils.toBoolean("FALSE", true, null), is(false));
    assertThat(JspTagUtils.toBoolean("FaLsE", true, null), is(false));
}