[ATL][ATLTEST] Adapt to RATL and improvements (#1501)

- Modify atldef.h for non-ReactOS environments.
- Update ATL testcase project files (from v120_xp to v140_xp).
- #define HAVE_APITEST and use it.
- s/NULL/0/

modules/rostests/apitests/atl/CSimpleArray.cpp

@@ -5,7 +5,7 @@
  * PROGRAMMER:      Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
  */
 
-#ifdef __REACTOS__
+#ifdef HAVE_APITEST
     #include <apitest.h>
 #else
     #include <stdlib.h>
@@ -179,7 +179,7 @@ START_TEST(CSimpleArray)
     ok(!!array1.RemoveAt(0), "Expected RemoveAt(0) to succeed\n");
     ok(array1.GetSize() == 0, "Expected array1.GetSize() is 0, was: %d\n", array1.GetSize());
 
-#ifndef __REACTOS__
+#ifndef HAVE_APITEST
     printf("CSimpleArray: %i tests executed (0 marked as todo, %i failures), 0 skipped.\n", g_tests_executed, g_tests_failed);
     return g_tests_failed;
 #endif