New J2K: Fix existing test data

j2k/testData/fileOrElement/postProcessing/RedundantTypeCastAndInline.new.kt

@@ -0,0 +1,8 @@
+internal class C {
+    fun foo(o: Any?) {
+        if (o is String) {
+            val l = o.length
+            val substring = o.substring(l - 2)
+        }
+    }
+}