dependency_composer.json

{
  "name": "company/wp-unit-tests",
  "type": "wordpress-plugin",
  "require": {
    "phpunit/phpunit": "~5.0.6"
  },
  "autoload": {
    "psr-4": {"company\\Tests\\": "src/"},
    "files": ["src/functions.php"]
  }
}

root_composer.json

{
	"name": "company/team-customer",
	"repositories": [
		{
			"type": "composer",
			"url": "https://mypackagist.company.net"
		}
	],
	"license": "proprietary",
	"description": "POC customer team on AWS + Git",
	
	"require": {
		"php": ">=5.6.0",
		"company/wordpress": "4.3.1",
		
		"company/company-exp-suite": "~0.2.0",
		"company/company-s3": "~2.4.2",
		"company/company-optijpg": "~0.0.3",
		"company/wpml-string-translation": "~2.2.6",
		"company/sitepress-multilingual-cms": "~3.2.7",
		"company/wpml-translation-management": "~2.0.5",
		"company/types": "1.8.6.2",
		"company/nextcellent-gallery": "~1.9.27",
	},
	
    "require-dev": {
	  	"company/wp-unit-tests": "~1.1.0"
    },
	
	"autoload": {
        "psr-0": {
            "company\\InstallActions\\": "composer-actions/"
        }
	},

	"extra": {
	
		"wordpress-install-dir": "wordpress",
		"installer-paths": {
			"wordpress/{$name}/": ["company/wp-unit-tests"],
			"wordpress/wp-content/plugins/{$name}/": ["type:wordpress-plugin"]
		},
		"team-copy-files": [
			".htaccess",
			"HealthCheck.php",
			["customer.xml", "wp-content/local/division"]
		]
	},
	
	"scripts": {
		"pre-package-install": "company\\InstallActions\\Actions::prePackageInstall",
		"post-package-install": "company\\InstallActions\\Actions::postPackageInstall",
		"pre-package-update": "company\\InstallActions\\Actions::prePackageUpdate",
		"post-package-update": "company\\InstallActions\\Actions::postPackageUpdate"
	}
}