Check compileJavaAgainstKotlin tests with .txt files

compiler/testData/compileJavaAgainstKotlin/method/Int.txt

@@ -0,0 +1,7 @@
+package test
+
+internal fun lll(/*0*/ kotlin.Int): kotlin.Int
+
+public/*package*/ open class Int {
+    public/*package*/ constructor Int()
+}