/** 
  * @covers WindowsAzure\Common\Internal\Atom\Source::getSubtitle
  * @covers WindowsAzure\Common\Internal\Atom\Source::setSubtitle
  */
 public function testGetSetSubtitle()
 {
     // Setup
     $expected = 'testSubtitle';
     $source = new Source();
     // Test
     $source->setSubtitle($expected);
     $actual = $source->getSubtitle();
     // Assert
     $this->assertEquals($expected, $actual);
 }