Process completed with exit code 1.

Call to deprecated method returnValue() of class PHPUnit\Framework\TestCase: Use <code>$double->willReturn()</code> instead of <code>$double->will($this->returnValue())</code>

Call to deprecated method returnCallback() of class PHPUnit\Framework\TestCase: Use <code>$double->willReturnCallback()</code> instead of <code>$double->will($this->returnCallback())</code>

Call to function is_a() with Composer\Package\Link and 'Composer\\Package\\Link' will always evaluate to true.

Construct empty() is not allowed. Use more strict comparison.

Construct empty() is not allowed. Use more strict comparison.

Construct empty() is not allowed. Use more strict comparison.