public function testCallBasicMethods($method, $args, $expectedArgs)
{
$this->requestWrapper->send(Argument::type('callable'), $expectedArgs, Argument::type('array'))->willReturn($this->successMessage);
$grpc = new Grpc();
$grpc->setRequestWrapper($this->requestWrapper->reveal());
$this->assertEquals($this->successMessage, $grpc->{$method}($args));
}