python3-cryptography: mark test_create_certificate_with_extensions as expected to fail

This test causes OpenSSL to leak some memory. Until this is resolved in
OpenSSL, mark the test as expected-to-fail.

(From OE-Core rev: b32917b113df6dce0200d35dd1b539279635d524)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3-cryptography/skip-leaky-test.patch

@@ -0,0 +1,19 @@
+Mark as test as expected-failure, OpenSSL is leaking memory.
+
+xfail not skip so we can remove this when OpenSSL doesn't leak anymore.
+
+Upstream-Status: Inappropriate
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+diff --git a/tests/hazmat/backends/test_openssl_memleak.py b/tests/hazmat/backends/test_openssl_memleak.py
+index 835c9256..639f6ba2 100644
+--- a/tests/hazmat/backends/test_openssl_memleak.py
++++ b/tests/hazmat/backends/test_openssl_memleak.py
+@@ -466,6 +466,7 @@ class TestOpenSSLMemoryLeaks:
+             )
+         )
+ 
++    @pytest.mark.xfail(reason="has memory leaks")
+     def test_create_certificate_with_extensions(self):
+         assert_no_memory_leaks(
+             textwrap.dedent(

meta/recipes-devtools/python/python3-cryptography_36.0.1.bb

@@ -16,6 +16,7 @@ SRC_URI += " \
     file://check-memfree.py \
     file://0001-Cargo.toml-specify-pem-version.patch \
     file://0002-Cargo.toml-edition-2018-2021.patch \
+    file://skip-leaky-test.patch \
 "
 
 inherit pypi python_setuptools3_rust