Add expected output files for 4.07.1 (reasonml#2211)

Author: anmonteiro

formatTest/typeCheckedTests/expected_output/comments.rei.4.07.1

@@ -0,0 +1,39 @@
+/* **** comment */
+/*** comment */
+/** docstring */;
+/* comment */
+/** docstring */;
+/*** comment */
+/**** comment */
+/***** comment */
+
+/** */;
+/*** */
+/**** */
+
+/***/
+/****/
+
+/** (** comment *) */;
+/** (*** comment *) */;
+
+/* (** comment *) */
+/* (*** comment *) */
+/* *(*** comment *) */
+
+/* comment **/
+/* comment ***/
+/* comment ****/
+/* comment *****/
+
+/**
+  * Multiline
+  */;
+
+/** Multiline
+  *
+  */;
+
+/**
+  **
+  */;

formatTest/typeCheckedTests/expected_output/mlVariants.re.4.07.1

@@ -0,0 +1,27 @@
+/* Copyright (c) 2015-present, Facebook, Inc. All rights reserved. */
+
+type polyVariantsInMl = [
+  | `IntTuple(int, int)
+  | `StillAnIntTuple(int, int)
+];
+
+let intTuple = `IntTuple((1, 2));
+let stillAnIntTuple = `StillAnIntTuple((4, 5));
+let sumThem =
+  fun
+  | `IntTuple(x, y) => x + y
+  | `StillAnIntTuple(a, b) => a + b;
+
+type nonrec t =
+  | A(int)
+  | B(bool);
+
+type s = [ | `Poly];
+
+let x: s = `Poly;
+
+/* There's a bug in ocaml 4.06 resulting in an extra Pexp_constraint on the `Poly,
+ * duplicating the core_type.
+ * https://caml.inria.fr/mantis/view.php?id=7758
+ * https://caml.inria.fr/mantis/view.php?id=7344 */
+let x: s = (`Poly: s);