python3: Skip failing ptests due to load variability

Skip tests until load issue is fixed,
most commonly seen on the arm64 builder.

[YOCTO #14296]

(From OE-Core rev: 7c67bc2476b784083acbc7a55ecf3627ec8f2b6b)

Signed-off-by: Yi Fan Yu <yifan.yu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3_3.9.2.bb

@@ -30,6 +30,7 @@ SRC_URI = "http://www.python.org/ftp/python/${PV}/Python-${PV}.tar.xz \
            file://0001-Makefile-do-not-compile-.pyc-in-parallel.patch \
            file://0020-configure.ac-setup.py-do-not-add-a-curses-include-pa.patch \
            file://0001-Lib-sysconfig.py-use-libdir-values-from-configuratio.patch \
+           file://0001-Skip-failing-tests-due-to-load-variability-on-YP-AB.patch \
            "
 
 SRC_URI_append_class-native = " \