shell32/tests: Fix the systray tests on Win9x and NT4.

dlls/shell32/tests/systray.c

@@ -31,6 +31,7 @@ static BOOL (WINAPI *pShell_NotifyIconW)(DWORD,PNOTIFYICONDATAW);
 void test_cbsize(void)
 {
     NOTIFYICONDATAA nidA;
+    BOOL ret;
 
     if (pShell_NotifyIconW)
     {
@@ -43,16 +44,20 @@ void test_cbsize(void)
         nidW.uFlags = NIF_ICON|NIF_MESSAGE;
         nidW.hIcon = LoadIcon(NULL, IDI_APPLICATION);
         nidW.uCallbackMessage = WM_USER+17;
-        ok(pShell_NotifyIconW(NIM_ADD, &nidW), "NIM_ADD failed!\n");
-
+        ret = pShell_NotifyIconW(NIM_ADD, &nidW);
+        if (ret)
+        {
             /* using an invalid cbSize does work */
             nidW.cbSize = 3;
             nidW.hWnd = hMainWnd;
             nidW.uID = 1;
-        ok(pShell_NotifyIconW(NIM_DELETE, &nidW), "NIM_DELETE failed!\n");
+            ret = pShell_NotifyIconW(NIM_DELETE, &nidW);
+            ok( ret || broken(!ret), /* nt4 */ "NIM_DELETE failed!\n");
             /* as icon doesn't exist anymore - now there will be an error */
             nidW.cbSize = sizeof(nidW);
-        ok(!pShell_NotifyIconW(NIM_DELETE, &nidW), "The icon was not deleted\n");
+            ok(!pShell_NotifyIconW(NIM_DELETE, &nidW) != !ret, "The icon was not deleted\n");
+        }
+        else win_skip( "Shell_NotifyIconW not working\n" );  /* win9x */
     }
 
     /* same for Shell_NotifyIconA */
@@ -69,10 +74,11 @@ void test_cbsize(void)
     nidA.cbSize = 3;
     nidA.hWnd = hMainWnd;
     nidA.uID = 1;
-    ok(Shell_NotifyIconA(NIM_DELETE, &nidA), "NIM_DELETE failed!\n");
+    ret = Shell_NotifyIconA(NIM_DELETE, &nidA);
+    ok( ret || broken(!ret),  /* win9x */ "NIM_DELETE failed!\n");
     /* as icon doesn't exist anymore - now there will be an error */
     nidA.cbSize = sizeof(nidA);
-    ok(!Shell_NotifyIconA(NIM_DELETE, &nidA), "The icon was not deleted\n");
+    ok(!Shell_NotifyIconA(NIM_DELETE, &nidA) != !ret, "The icon was not deleted\n");
 }
 
 START_TEST(systray)