src/Viserio/Component/Container/MockContainer.php
public function mock(...$args): MockInterface
    {
        $id = \array_shift($args);

        if (! $this->has($id)) {
            throw new InvalidArgumentException(\sprintf('Cannot mock a non-existent service: [%s]', $id));
        }

        $mock = 'mock::' . $id;

        if (! isset($this->mockedServices[$mock])) {
            $this->mockedServices[$mock] = \call_user_func_array([Mockery::class, 'mock'], $args);
        }

        return $this->mockedServices[$mock];
    }
public function mock(...$args): MockInterface
    {
        $id = \array_shift($args);

        if (! $this->has($id)) {
            throw new InvalidArgumentException(\sprintf('Cannot mock a non-existent service: [%s]', $id));
        }

        $mock = 'mock::' . $id;

        if (! isset($this->mockedServices[$mock])) {
            $this->mockedServices[$mock] = \call_user_func_array([Mockery::class, 'mock'], $args);
        }

        return $this->mockedServices[$mock];
    }
Takes an id of the service as the first argument.
Any other arguments are passed to the Mockery factory.

@param array<int, mixed> $args

@throws \Viserio\Component\Contract\Container\Exception\InvalidArgumentException

@return \Mockery\MockInterface