Minor, move tests under common directory

compiler/testData/codegen/boxWithStdlib/reflection/enclosing/lambdaInObjectExpression.kt

@@ -0,0 +1,27 @@
+trait C {
+    val a: Any
+}
+
+fun box(): String {
+    val l = object : C {
+        override val a: Any
+
+        {
+            a = {}
+        }
+    }
+
+    val javaClass = l.a.javaClass
+    val enclosingMethod = javaClass.getEnclosingConstructor()!!.getName()
+    if (!enclosingMethod.startsWith("_DefaultPackage\$") || !enclosingMethod.endsWith("\$box\$l\$1")) return "ctor: $enclosingMethod"
+
+    val enclosingClass = javaClass.getEnclosingClass()!!.getName()
+    if (!enclosingClass.startsWith("_DefaultPackage\$") || !enclosingClass.endsWith("\$box\$l\$1")) return "enclosing class: $enclosingClass"
+
+    if (enclosingMethod != enclosingClass) return "$enclosingClass != $enclosingMethod"
+
+    val declaringClass = javaClass.getDeclaringClass()
+    if (declaringClass != null) return "anonymous function has a declaring class: $declaringClass"
+
+    return "OK"
+}