Found unit test for normalized and non-normalized additional details

Author: TomHAnderson

src/ApiProblem.php

@@ -187,6 +187,10 @@ public function __get(string $name): mixed
             return $this->additionalDetails[$normalized];
         }
 
+        if (isset($this->additionalDetails[$name])) {
+            return $this->additionalDetails[$name];
+        }
+
         throw new InvalidArgumentException(sprintf(
             'Invalid property name "%s"',
             $name

test/ApiProblemTest.php

@@ -303,9 +303,9 @@ public function testMagicGetNormalizedProperties(int $code): void
      */
     public function testMagicGetAdditionalDetails(int $code): void
     {
-        $apiProblem = new ApiProblem($code, 'Testing', 'test', 'title test', ['xxmore' => 'testing']);
+        $apiProblem = new ApiProblem($code, 'Testing', 'test', 'title test', ['MixedCase' => 'testing']);
 
-        $this->assertEquals('testing', $apiProblem->__get('xxmore'));
+        $this->assertEquals('testing', $apiProblem->__get('MixedCase'));
     }
 
     /**
@@ -314,8 +314,8 @@ public function testMagicGetAdditionalDetails(int $code): void
      */
     public function testMagicGetAdditionalDetailsNormalized(int $code): void
     {
-        $apiProblem = new ApiProblem($code, 'Testing', 'test', 'title test', ['code' => 'testing']);
+        $apiProblem = new ApiProblem($code, 'Testing', 'test', 'title test', ['xxcode' => 'testing']);
 
-        $this->assertEquals('testing', $apiProblem->__get('code'));
+        $this->assertEquals('testing', $apiProblem->__get('xxcode'));
     }
 }