Fix build_test_package.py osc syntax

As of osc version 0.164.2 the --all option must be supplied on
deleterequest operations. This changes allow build_test_package.py
to work on systems with newer versions of open build service commander.

scripts/jenkins/ardana/gerrit/build_test_package.py

@@ -8,6 +8,7 @@
 import argparse
 import contextlib
 import glob
+from io import StringIO
 import os
 import re
 import shutil
@@ -194,11 +195,18 @@ def _create_test_project(self):
             meta.flush()
             print("Creating test project %s linked to project %s" %
                   (self.obs_test_project_name, self.obs_linked_project))
+            buf = StringIO()
+            sh.osc('--version', _out=buf)
+            osc_ver = buf.getvalue()
             sh.osc('-A', 'https://api.suse.de', 'api', '-T', meta.name,
                    '/source/%s/_meta' % self.obs_test_project_name)
-            sh.osc('-A', 'https://api.suse.de', 'deleterequest',
+            args = ['-A', 'https://api.suse.de', 'deleterequest',
                    self.obs_test_project_name, '--accept-in-hours', 720,
-                   '-m', 'Auto delete after 30 days.')
+                   '-m', 'Auto delete after 30 days.']
+            if version.StrictVersion(osc_ver) > version.StrictVersion('0.164.1'):
+                args.append('--all')
+
+            sh.osc(*args)
 
     @find_in_osc_file('obs_scm filename')
     def _get_obsinfo_basename(self, service_def):