public function testDescribesItselfAsCaseInsensitive()
 {
     $this->assertDescription('equalToIgnoringCase("heLLo")', equalToIgnoringCase('heLLo'));
 }
 /**
  * Test that Hamcrest library is functional for testing purposes.
  */
 public function testHamcrestLibrary()
 {
     assertThat('a', equalToIgnoringCase('A'));
 }