usePHPUnit\Framework\TestCase;useSymfony\Component\JsonPath\Test\JsonPathAssertionsTrait;class MyApiTestextends TestCase{use JsonPathAssertionsTrait;publicfunctiontestItFetchesAllUsers():void    {$json =self::fetchUserCollection();$this->assertJsonPathCount(3,'$.users[*]',$json);$this->assertJsonPathSame(['Melchior'],'$.users[0].username',$json);$this->assertJsonPathEquals(['30'],'$.users[0].age',$json,'should return the age as string or int');    }publicfunctiontestItFetchesOneUser():void    {$json =self::fetchOneUser();$this->assertJsonPathSame(['Melchior'],'$.user.username',$json);$this->assertJsonPathEquals(['30'],'$.user.age',$json,'should return the age as string or int');    }/**     * Hard-coded for the example, but in a real integration test, you would actually make the API call!     */privatestaticfunctionfetchUserCollection():string    {// Simulate fetching JSON data from an APIreturn<<<JSON        {            "users": [                {                    "username": "Melchior",                    "age": 30                },                {                    "username": "Gaspard",                    "age": 50                },                {                    "username": "Balthazar",                    "age": 55                }            ]        }        JSON;    }privatestaticfunctionfetchOneUser():string    {// Simulate fetching JSON data from an APIreturn<<<JSON        {            "user": {                "username": "Melchior",                "age": 30            }        }        JSON;    }}