Test #1 - make SomeService testable without actually making any https calls

test_1_testable.php

<?php

class SomeService
{
    public function callApi()
    {
        $apiClass = new ApiClass;
        $result = $apiClass->call('fetch');
        
        // Handle result
    }
}

class ApiClass {
    public function call($method)
    {
        // Makes external http call
    }
}