Unit test fix 2

Author: ssigwart

src/Type/Php/DefineConstantTypeSpecifyingExtension.php

@@ -51,7 +51,7 @@ public function specifyTypes(
 		}
 
 		$valueType = $scope->getType($node->getArgs()[1]->value);
-		$finalType = ($valueType === null) ? null : $scope->getConstantExplicitTypeFromConfig(
+		$finalType = $scope->getConstantExplicitTypeFromConfig(
 			$constantName->getValue(),
 			$valueType,
 		);