[folks] Explicitly reset the aggregator between tests.

[Travis Reitter <treitter src gnome org>]

commit ba73b7bbdb0ffa08611097d11a34383b714715c1
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Tue Sep 7 22:47:59 2010 -0700

    Explicitly reset the aggregator between tests.
    
    Helps bgo#629008.

 tests/telepathy/contact-retrieval.vala |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/tests/telepathy/contact-retrieval.vala b/tests/telepathy/contact-retrieval.vala
index 9d0a79a..eb01896 100644
--- a/tests/telepathy/contact-retrieval.vala
+++ b/tests/telepathy/contact-retrieval.vala
@@ -201,6 +201,9 @@ public class ContactRetrievalTests : Folks.TestCase
 
       /* We should have enumerated exactly the individuals in the set */
       assert (expected_individuals.size == 0);
+
+      /* necessary to reset the aggregator for the next test */
+      aggregator = null;
     }
 
   public void test_individual_properties ()
@@ -253,6 +256,9 @@ public class ContactRetrievalTests : Folks.TestCase
         });
 
       main_loop.run ();
+
+      /* necessary to reset the aggregator for the next test */
+      aggregator = null;
     }
 }