fix billing process

Config/phpstan.neon

@@ -3,6 +3,9 @@ includes:
 parameters:
     fileExtensions:
         - php
+    scanDirectories:
+        - ../../Resources/tcpdf
+        - ../../Resources/PhpOffice
     reportUnmatchedIgnoredErrors: false
     inferPrivatePropertyTypeFromConstructor: true
     checkMissingIterableValueType: false
@@ -38,7 +41,6 @@ parameters:
         - */Markdown/Markdown.php
         - */Socket/*
         - */node_modules/*
-        - */Modules/Shop/Admin/Install/Application/*
         - */Modules/**/Application/*
         - */Accounting/*
     ignoreErrors:

Helper/findMissingNullModelTest.php

@@ -35,13 +35,13 @@ foreach ($modules as $module) {
 		}
 
 		if (\stripos($model, '.php') === false) {
-			throw \Exception('invalid substr');
+			throw new Exception('invalid substr');
 		}
 
 		$model = \substr($model, 4, -4); // remove Null and .php from string
 
 		if (empty($model)) {
-			throw \Exception('invalid substr');
+			throw new Exception('invalid substr');
 		}
 
 		if (!\is_file(__DIR__ . '/../../Modules/' . $module . '/tests/Models/Null' . $model . 'Test.php')) {