public function testAcceptsVariableValuesAssumingAlreadyCoerced()
{
$this->runTestCaseWithVars([], Type::boolean(), '$var', Utils::undefined());
$this->runTestCaseWithVars(['var' => true], Type::boolean(), '$var', true);
$this->runTestCaseWithVars(['var' => null], Type::boolean(), '$var', null);
}