/** @test **/ public function getTheme_ReturnsNullWhenGivenAnInvalidThemeId() { // Arrange $id = -100; $this->wrapperFake->setResponse("get", ShopifyEndpoints::getTheme($id), HttpWrapperFake::NOT_FOUND); // Act $theme = $this->clientWithFake->getTheme($id); // Assert $this->assertNull($theme); }