diff --git a/generator/src/Generator/ComposerJsonEditor.php b/generator/src/Generator/ComposerJsonEditor.php
index b36eb001..1d8cc55c 100644
--- a/generator/src/Generator/ComposerJsonEditor.php
+++ b/generator/src/Generator/ComposerJsonEditor.php
@@ -27,9 +27,6 @@ public static function editComposerFileForGeneration(array $modules): void
         \file_put_contents(FileCreator::getSafeRootDir() . '/composer.json', $newContent);
     }
 
-
-
-
     /**
      * @param string[] $oldFiles
      * @param string[] $modules A list of modules
diff --git a/generator/tests/XmlDocParser/MethodTest.php b/generator/tests/XmlDocParser/MethodTest.php
index a117e051..0cb436dd 100644
--- a/generator/tests/XmlDocParser/MethodTest.php
+++ b/generator/tests/XmlDocParser/MethodTest.php
@@ -9,6 +9,14 @@
 
 class MethodTest extends TestCase
 {
+    public function testToString(): void
+    {
+        $docPage = new DocPage(DocPage::findReferenceDir() . '/pcre/functions/preg-match.xml');
+        $xmlObject = $docPage->getMethodSynopsis();
+        $method = new Method($xmlObject[0], $docPage->loadAndResolveFile(), $docPage->getModule(), new PhpStanFunctionMapReader(), ErrorType::FALSY);
+        $this->assertStringContainsString('Error type: FALSY', (string)$method);
+    }
+
     public function testGetFunctionName(): void
     {
         $docPage = new DocPage(DocPage::findReferenceDir() . '/pcre/functions/preg-match.xml');
diff --git a/generator/tests/XmlDocParser/TypeTest.php b/generator/tests/XmlDocParser/TypeTest.php
index 3039af2f..6517f385 100644
--- a/generator/tests/XmlDocParser/TypeTest.php
+++ b/generator/tests/XmlDocParser/TypeTest.php
@@ -14,5 +14,6 @@ public function testIsClass(): void
         $this->assertSame('\\SimpleXMLElement', Type::toRootNamespace('SimpleXMLElement'));
         $this->assertSame('bool', Type::toRootNamespace('bool'));
         $this->assertSame('int', Type::toRootNamespace('int'));
+        $this->assertSame('', Type::toRootNamespace(''));
     }
 }