fix missing /alpha chunking v2 path

tests/unit/routers/chunking_test.py

@@ -55,7 +55,7 @@ Definitions = {
     },
     'Log': {
         'api_version': 'v2',
-        'base_url': '/ddms/v2/logs',
+        'base_url': '/alpha/ddms/v2/logs',
         'chunking_url': '/ddms/v2/logs',
         'kind': 'osdu:wks:log:1.0.5',
         'record_data': {