[ROSTESTS] Start adding ReactOS-owned tests for cmd.exe, based on Wine's.

CORE-7998

Based on Wine's cmd_winetest code, this first bunch of tests check how the
"for" command should process the newlines inside its parenthesed set.
Adapted by Doug Lyons.

modules/rostests/win32/cmd/testlist.c

@@ -0,0 +1,12 @@
+/* Automatically generated file; DO NOT EDIT!! */
+
+#define STANDALONE
+#include "wine/test.h"
+
+extern void func_reactos(void);
+
+const struct test winetest_testlist[] =
+{
+    { "reactos", func_reactos },
+    { 0, 0 }
+};