Run Python 3.7 selftest tests in selftest tests of these tests

selftest/findleaks.sh

@@ -8,4 +8,10 @@ PYTHON=${PYTHON:-python${VERSION}dm}
 # test_socket swaps and kills the machine https://bugs.python.org/issue34587
 X=${X:-"-x test_socket"}
 
+# Fedora sets TLSv1 as explicit minimum version.
+# Python's test suite assumes that the minimum protocol version is set to
+# a magic marker. We workaround the test problem by setting:
+export OPENSSL_CONF=/non-existing-file
+# https://bugzilla.redhat.com/show_bug.cgi?id=1618753
+
 $PYTHON -m test --findleaks $X

selftest/parallel.sh

@@ -11,4 +11,10 @@ X=${X:-"-x test_socket"}
 # parallel jobs, 0 lets Python decide what's best
 JOBS=${JOBS:-0}
 
+# Fedora sets TLSv1 as explicit minimum version.
+# Python's test suite assumes that the minimum protocol version is set to
+# a magic marker. We workaround the test problem by setting:
+export OPENSSL_CONF=/non-existing-file
+# https://bugzilla.redhat.com/show_bug.cgi?id=1618753
+
 $PYTHON -m test -j$JOBS $X

tests.yml

@@ -20,6 +20,9 @@
     - smokepypy3:
         dir: smoke
         run: VERSION=3.5 METHOD=venv PYTHON=pypy3 ./venv.sh
+    - selftest37:
+        dir: selftest
+        run: VERSION=3.7 X="-x test_socket -x test_asyncgen -x test_asyncio -x test_compile -x test_concurrent_futures -x test_itertools -x test_multiprocessing_fork -x test_multiprocessing_forkserver -x test_shutil -x test_time -x test_multiprocessing_spawn -x test_threading -x test_wsgiref" ./parallel.sh
     required_packages:
     - gcc
     - /usr/bin/virtualenv
@@ -33,3 +36,5 @@
     - pypy-devel
     - pypy3-devel
     - python3-tox
+    - python3-tkinter
+    - python3-test