diff --git a/tests/collection.py b/tests/collection.py
index ba67a33e1..fbd4dc58c 100644
--- a/tests/collection.py
+++ b/tests/collection.py
@@ -181,6 +181,17 @@ def raises_ValueError_if_task_added_mirrors_subcollection_name(self):
             self.c.add_collection(Collection('sub'))
             self.c.add_task(_mytask, 'sub')
 
+        def allows_specifying_task_defaultness(self):
+            self.c.add_task(_mytask, default=True)
+            eq_(self.c.default, '_mytask')
+
+        def specifying_default_False_overrides_task_setting(self):
+            @task(default=True)
+            def its_me():
+                pass
+            self.c.add_task(its_me, default=False)
+            eq_(self.c.default, None)
+
     class add_collection:
         def setup(self):
             self.c = Collection()