minor cleanups on test spurious exceptions

tests/client_tests/integration/test_reconnect.py

@@ -64,6 +64,7 @@ class ReconnectTests(IntegrationTestCase):
         self.ledger.config['connect_timeout'] = 30
 
         network = BaseNetwork(self.ledger)
+        self.addCleanup(network.stop)
         asyncio.ensure_future(network.start())
         await asyncio.wait_for(network.on_connected.first, timeout=1)
         self.assertTrue(network.is_connected)

torba/client/basedatabase.py

@@ -31,6 +31,8 @@ class AIOSQLite:
             self.executor.submit(conn.close)
             self.executor.shutdown(wait=True)
         conn = self.connection
+        if not conn:
+            return
         self.connection = None
         return asyncio.get_event_loop_policy().get_event_loop().call_later(0.01, __close, conn)
 

torba/client/basenetwork.py

@@ -82,7 +82,8 @@ class BaseNetwork:
                 await client.send_request('server.banner')
                 return client
             except (asyncio.TimeoutError, asyncio.CancelledError) as error:
-                client.connection_lost(error)
+                if not client.is_closing():
+                    client.abort()
                 raise error
         futures = []
         for server in self.config['default_servers']: