PHPUnit改变期望

Hi I have the problem with changing the expectation of the mock

$mock->expects($this->any())->method('returnValue')->willReturn(1);
$mock->callSomeMethod();
$mock->expects($this->any())->method('returnValue')->willReturn(100);

so the problem is that I don't know how much time callSomeMethod will call returnValue and I need to change expects but $mock always return 1