Revert "qtbase: skip qtestlib's selftests"

This reverts commit fc83f6dfbd.

No need to disable all tests, next commit adds a work around
fix for Catch2.

Change-Id: Ic0e1a7cb085ca54edecc690c40d9adb82f952678
Reviewed-by: Samuli Piippo <samuli.piippo@qt.io>

recipes-qt/qt6/qtbase/0003-qtestlib-skip-selftest.patch

@@ -1,26 +0,0 @@
-From 7156d983f688c803cb3fe3cd4015e555a2dae459 Mon Sep 17 00:00:00 2001
-From: Samuli Piippo <samuli.piippo@qt.io>
-Date: Tue, 17 Aug 2021 07:37:47 +0300
-Subject: [PATCH] qtestlib: skip selftest
-
-Compilation fails with GCC 11
-
-Task-number: QTBUG-95842
-Change-Id: I9f617af75e9730f7327032c20c415fbb8deb1703
----
- tests/auto/testlib/CMakeLists.txt | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/tests/auto/testlib/CMakeLists.txt b/tests/auto/testlib/CMakeLists.txt
-index ad895108e7..4bdcf48b30 100644
---- a/tests/auto/testlib/CMakeLists.txt
-+++ b/tests/auto/testlib/CMakeLists.txt
-@@ -5,7 +5,7 @@
- add_subdirectory(qsignalspy)
- # QTBUG-88507 # special case
- if(NOT ANDROID)
--    add_subdirectory(selftests)
-+#    add_subdirectory(selftests)
- endif()
- if(TARGET Qt::Widgets)
-     add_subdirectory(qabstractitemmodeltester)

recipes-qt/qt6/qtbase_git.bb

@@ -16,7 +16,6 @@ include recipes-qt/qt6/qt6.inc
 SRC_URI += "\
     file://0001-Add-linux-oe-g-platform.patch \
     file://0002-qlibraryinfo-allow-to-set-qt.conf-from-the-outside-u.patch \
-    file://0003-qtestlib-skip-selftest.patch \
     file://0003-tests-disable-failing-tests.patch \
 "