public function setUp()
{
$this->integerGenerator = new IntegerGenerator();
$this->mockCaller = $this->getMockBuilder('Fakerino\\FakeData\\FakeDataInterface')->getMock();
$this->integerGenerator->setCaller($this->mockCaller);
$this->integerGenerator = new IntegerGenerator();
$this->integerGenerator->setCaller($this->mockCaller);
}