average() public method

public average ( )
 /** @test */
 public function simpleStubWithPhake()
 {
     $service = \Phake::mock('\\Acme\\ServiceInterface');
     \Phake::when($service)->readTemp()->thenReturn(10)->thenReturn(12)->thenReturn(14);
     $temperature = new Temperature($service);
     $this->assertEquals(12, $temperature->average());
 }
 public function testGetsAverageTemperatureFromThreeServiceReadings()
 {
     $service = m::mock('service');
     $service->shouldReceive('readTemp')->times(3)->andReturn(10, 12, 14);
     $temperature = new Temperature($service);
     $this->assertEquals(12, $temperature->average());
 }