/**
  * Test that the file is overwritten if overwriting is on.
  *
  * @since 0.1.0
  */
 public function test_move_file_overwrite_on()
 {
     $this->assertTrue($this->mock_fs->add_file('/test.txt', array('contents' => 'test')));
     $this->assertTrue($this->mock_fs->add_file('/a.txt', array('contents' => 'abc')));
     $this->assertTrue($this->fs->move('/test.txt', '/a.txt', true));
     $this->assertFalse($this->fs->exists('/test.txt'));
     $this->assertEquals('test', $this->fs->get_contents('/a.txt'));
 }