New J2K: Fix existing test data

j2k/testData/fileOrElement/list/ForEach.new.kt

@@ -0,0 +1,15 @@
+// ERROR: Unresolved reference: LinkedList
+import java.util.ArrayList
+
+class ForEach {
+    fun test() {
+        val xs: ArrayList<Any?> = ArrayList()
+        val ys: MutableList<Any?> = LinkedList<Any?>()
+        for (x in xs) {
+            ys.add(x)
+        }
+        for (y in ys) {
+            xs.add(y)
+        }
+    }
+}

j2k/testData/fileOrElement/list/Lists.new.kt

@@ -0,0 +1,17 @@
+// ERROR: Unresolved reference: LinkedList
+// ERROR: Null can not be a value of a non-null type Any
+// ERROR: Null can not be a value of a non-null type Any
+import java.util.ArrayList
+
+class Lists {
+    fun test() {
+        val xs: MutableList<Any?> = ArrayList()
+        val ys: MutableList<Any?> = LinkedList<Any?>()
+        val zs: ArrayList<Any?> = ArrayList()
+        xs.add(null)
+        ys.add(null)
+        xs.clear()
+        ys.clear()
+        zs.add(null)
+    }
+}