Add test cases

Author: Slamdunk

tests/_files/source_for_branched_exec_lines.php

@@ -562,6 +562,7 @@ public function withMultilineStrings()
 
 interface MyInterface
 {
+    public const MY_INTERFACE_CONST = 1;
     public function myMethod();
 }
 

tests/_files/source_for_branched_exec_lines_php82.php

@@ -8,3 +8,9 @@ public function bar((A&B)|null $entity)
         return $entity;                     // +1
     }
 }
+
+// Const in traits
+trait MyConstInTrait
+{
+    public const MY_TRAIT_CONST = 1;
+}