Send PPA test requests into PPA AMQP queues

This separates them from Ubuntu and upstream test requests, avoids that any of
those can completely starve the other two, and makes queues easier to manage.

autopkgtest.py

@@ -458,8 +458,10 @@ class AutoPackageTest(object):
         params = {'triggers': [trigger]}
         if self.britney.options.adt_ppas:
             params['ppas'] = self.britney.options.adt_ppas
-        params = json.dumps(params)
+            qname = 'debci-ppa-%s-%s' % (self.series, arch)
+        else:
             qname = 'debci-%s-%s' % (self.series, arch)
+        params = json.dumps(params)
 
         if self.amqp_channel:
             self.amqp_channel.basic_publish(amqp.Message(src + '\n' + params), routing_key=qname)

tests/test_autopkgtest.py

@@ -1731,8 +1731,9 @@ class T(TestBase):
             }})
 
         for arch in ['i386', 'amd64']:
-            self.assertTrue('debci-series-%s:lightgreen {"triggers": ["lightgreen/2"], "ppas": ["joe/foo", "awesome-developers/staging"]}' % arch in self.amqp_requests or
+            self.assertTrue('debci-ppa-series-%s:lightgreen {"triggers": ["lightgreen/2"], "ppas": ["joe/foo", "awesome-developers/staging"]}' % arch in self.amqp_requests or
-                            'debci-series-%s:lightgreen {"ppas": ["joe/foo", "awesome-developers/staging"], "triggers": ["lightgreen/2"]}' % arch in self.amqp_requests)
+                            'debci-ppa-series-%s:lightgreen {"ppas": ["joe/foo", "awesome-developers/staging"], "triggers": ["lightgreen/2"]}' % arch in self.amqp_requests,
+                            self.amqp_requests)
         self.assertEqual(len(self.amqp_requests), 2)
 
         # add results to PPA specific swift container