fix skip critereon

Author: dothebart

release_tester/arangodb/installers/__init__.py

@@ -396,7 +396,7 @@ def __init__(
     def is_version_not_supported(self, version):
         """ check whether this edition is supported in version """
         ver = semver.VersionInfo.parse(version)
-        return not (self.minimum_supported_version > ver > self.maximum_supported_version)
+        return (self.minimum_supported_version > ver > self.maximum_supported_version)
 
     def set_kwargs(self, kwargs):
         """pick values from the commandline arguments that should override defaults"""

release_tester/full_download_test.py

@@ -60,6 +60,7 @@ def package_test(
         if props.directory_suffix not in editions:
             continue
         if props.is_version_not_supported(new_version):
+            print(f"skipping {repr(props)}")
             continue
         props.set_kwargs(kwargs)
         dl_opt = deepcopy(dl_opts)
@@ -98,6 +99,10 @@ def package_test(
         )
         results.append(test_driver.run_test("all", [dl_new.cfg.version], props))
 
+    if dl_new is None:
+        print("no suites found")
+        return 1
+
     if run_test_suites:
         results.append(
             [