Kill the last not covered mutant

Author: kukulich

src/Reflection/ReflectionProperty.php

@@ -286,6 +286,7 @@ public function isInitialized(object|null $object = null): bool
                 return false;
             }
 
+            // @infection-ignore-all Throw_: False positive
             throw $e;
         }
     }

test/unit/Fixture/InitializedProperties.php

@@ -24,6 +24,6 @@ public function __construct()
 
     public function __get($property)
     {
-        throw new Error();
+        throw new Error('Removed property');
     }
 }

test/unit/Reflection/ReflectionPropertyTest.php

@@ -778,6 +778,7 @@ public function testIsInitializedThrowsError(): void
         $classReflection = $this->reflector->reflectClass(InitializedProperties::class);
 
         self::expectException(Error::class);
+        self::expectExceptionMessage('Removed property');
         $classReflection->getProperty('toBeRemoved')->isInitialized($object);
     }