{
    "name": "wallstreetio/laravel-ontraport",
    "description": "A Laravel package to easily integrate the Ontraport API.",
    "keywords": ["ontraport", "oap", "api", "laravel"],
    "license": "MIT",
    "authors": [
        {
            "name": "Tamer Ashkar",
            "email": "tashkar18@gmail.com"
        }
    ],
    "require": {
        "wallstreetio/ontraport": "^0.0.0",
        "illuminate/support": "^5.1"
    },
    "require-dev": {
        "phpunit/phpunit": "^5.7",
        "graham-campbell/testbench": "^3.3"
    },
    "autoload-dev": {
        "psr-4": {
            "Wsio\\Tests\\Ontraport\\": "tests/"
        }
    },
    "autoload": {
        "psr-4": {
            "Wsio\\Ontraport\\": "src/"
        }
    },
    "scripts": {
        "post-install-cmd": [
            "bash build/setup.sh"
        ]
    }
}

{
    "name": "wallstreetio/laravel-ontraport",
    "description": "A Laravel package to easily integrate the Ontraport API.",
    "keywords": ["ontraport", "oap", "api", "laravel"],
    "license": "MIT",
    "authors": [
        {
            "name": "Tamer Ashkar",
            "email": "tashkar18@gmail.com"
        }
    ],
    "require": {
        "wallstreetio/ontraport": "^0.0.0",
        "illuminate/support": "^5.1"
    },
    "require-dev": {
        "phpunit/phpunit": "^4.8",
        "graham-campbell/testbench": "^3.3"
    },
    "autoload-dev": {
        "psr-4": {
            "Wsio\\Tests\\Ontraport\\": "tests/"
        }
    },
    "autoload": {
        "psr-4": {
            "Wsio\\Ontraport\\": "src/"
        }
    },
    "scripts": {
        "post-install-cmd": [
            "bash build/setup.sh"
        ]
    }
}

Use a lower version of phpunit.
Use a lower version of phpunit.