Fakes the processing of the invocation $invocation by returning a specific value.
PHPUnit_Framework_MockObject_Invocation $invocation: The invocation which was mocked and matched by the current method and argument matchers.
mixed
Overrides PHPUnit_Framework_MockObject_Stub::invoke
public function invoke(PHPUnit_Framework_MockObject_Invocation $invocation) {
return $this->value;
}