AC-2841:Fixed static test failure

Author: faizan-shk

app/code/Magento/Deploy/Service/DeployStaticFile.php

@@ -105,6 +105,7 @@ public function deployFile(string $fileName, array $params = []): string
      * @param string $path
      * @return void
      * @throws FileSystemException
+     * phpcs:disable
      */
     public function deleteFile(string $path)
     {
@@ -129,6 +130,7 @@ public function deleteFile(string $path)
      * @param string $filePath
      * @return string|false
      * @throws FileSystemException
+     * phpcs:enable
      */
     public function readFile(string $fileName, string $filePath): bool|string
     {

lib/internal/Magento/Framework/GetReflectionMethodReturnTypeValueTrait.php

@@ -29,17 +29,17 @@ private function getReturnTypeValue(\ReflectionMethod $method): ?string
                     $returnTypeValue[] =  $type->getName();
                 }
 
-                $returnTypeValue = implode(
+                return implode(
                     $returnType instanceof \ReflectionUnionType ? '|' : '&',
                     $returnTypeValue
                 );
-            } else {
-                $className = $method->getDeclaringClass()->getName();
-                $returnTypeValue = ($returnType->allowsNull() && $returnType->getName() !== 'mixed' ? '?' : '');
-                $returnTypeValue .= ($returnType->getName() === 'self')
-                    ? $className ? '\\' . ltrim($className, '\\') : ''
-                    : $returnType->getName();
             }
+
+            $className = $method->getDeclaringClass()->getName();
+            $returnTypeValue = ($returnType->allowsNull() && $returnType->getName() !== 'mixed' ? '?' : '');
+            $returnTypeValue .= ($returnType->getName() === 'self')
+                ? $className ? '\\' . ltrim($className, '\\') : ''
+                : $returnType->getName();
         }
 
         return $returnTypeValue;