tests: kill wcs process in more places (#80373)

tests/conftest.py

@@ -260,11 +260,22 @@ ALLOWED_HOSTS = ['%s']
         else:
             s.close()
             break
-        assert i < 50, 'no connection found after 5 seconds'
+        if i >= 50:
+            try:
+                os.kill(WCS_PID, 9)
+            except OSError:
+                pass
+            shutil.rmtree(str(wcs_dir))
+            assert False, 'no connection found after 5 seconds'
 
     # verify w.c.s. is still running
     pid, exit_code = os.waitpid(WCS_PID, os.WNOHANG)
     if pid:
+        try:
+            os.kill(WCS_PID, 9)
+        except OSError:
+            pass
+        shutil.rmtree(str(wcs_dir))
         assert False, 'w.c.s. stopped with exit-code %s' % exit_code
 
     yield Wcs(url='http://%s:%s/' % (utils.HOSTNAME, PORT), appdir=wcs_dir, pid=WCS_PID)