Add test for anon class with typehint properties

Author: sirbrillig

Tests/VariableAnalysisSniff/fixtures/AnonymousClassWithPropertiesFixture.php

@@ -41,3 +41,28 @@ public function methodWithStaticVar() {
         echo static::$storedHello;
     }
 };
+
+class ClassWithAnonymousClassAndTypeHints
+{
+		int $main_id = 1;
+		public int $id = 1;
+		public \My\Data|bool $data;
+
+		public function test_1(): object
+		{
+				return new class
+				{
+						int $main_id = 1;
+						public int $id = 123456;
+						public \My\Data|bool $data;
+				};
+		}
+
+		public function test_2(): object
+		{
+				return new class
+				{
+						public $id = 123456;
+				};
+		}
+}