New J2K: add plain text copy-paste conversion test for new J2K

nj2k/testData/copyPastePlainText/StatementsIntoFunction.expected.kt

@@ -0,0 +1,9 @@
+
+import java.util.ArrayList
+
+
+fun foo() {
+    val list = ArrayList<String>()
+    list.add(1)
+
+}