I've recently set up PHPUnit in PHPStorm via Composer.
I'm trying to test some functionality that requires me to bootstrap Processwire (a CMS).
I keep constantly getting the message "You cannot serialize or unserialize PDO instances" despite applying the conditions below which I researched to be the correct way of fixing this issue.
 * @backupGlobals disabled
 * @backupStaticAttributes disabled
 * @runTestsInSeparateProcesses
 * @runInSeparateProcess
 * @preserveGlobalState disabled
Is there anything else I have missed or need to do to get this working?
These are the resources I have referenced so far.
https://phpunit.de/manual/current/en/phpunit-book.html#appendixes.annotations.preserveGlobalState
http://edmondscommerce.github.io/php/phpunit-and-pdoexception-solution.html
I've seen this article that flagged my article as a duplicate but I don't believe it to be the same : PDOException: You cannot serialize or unserialize PDO instances
The test in that article has direct references to the PDO object whereas I'm just trying to get my tests to run with a bootstrap reference to Processwire. This is my test I'm trying to run :
namespace Test;
include_once(__DIR__."/../../../../index.php");     //Bootstrap to Processwire CMS
class ImageTest extends \PHPUnit_Framework_TestCase {
    /**
     * @backupGlobals disabled
     * @backupStaticAttributes disabled
     * @runTestsInSeparateProcesses
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    protected function setUp()
    {
        //$this->testpages = wire(pages)->find("template=fingergames|template=songs|template=poems");
    }
    public function testImageEmptyLinks()
    {
        //$testpages = wire(pages)->find("template=fingergames|template=songs|template=poems");
        $blanks = wire(pages)->find("image=''");
        $this->assertEquals($blanks->count(),0);
    }
    public function testImageMismatchedLinks()
    {
        //$this->assertTrue(true);
        $this->assertEquals(0,0);
    }
    public function testImageMissingSiblings()
    {
        $this->assertEquals(0,0);
    }
    protected function tearDown()
    {
    }
}
 
    