Replace "jet" package name with "kotlin" in testData

compiler/testData/loadJava/compiledKotlin/classObject/Delegation.txt

@@ -2,14 +2,14 @@ package test
 
 internal final class A : test.T {
     /*primary*/ public constructor A()
-    internal open override /*1*/ fun foo(): jet.Int
+    internal open override /*1*/ fun foo(): kotlin.Int
     
     internal class object <class-object-for-A> : test.T {
         /*primary*/ private constructor <class-object-for-A>()
-        internal open override /*1*/ /*delegation*/ fun foo(): jet.Int
+        internal open override /*1*/ /*delegation*/ fun foo(): kotlin.Int
     }
 }
 
 internal trait T {
-    internal abstract fun foo(): jet.Int
+    internal abstract fun foo(): kotlin.Int
 }