diff --git a/tests/scheduler/test_comcam.py b/tests/scheduler/test_comcam.py
index 5d6b44ce..8c2efea3 100644
--- a/tests/scheduler/test_comcam.py
+++ b/tests/scheduler/test_comcam.py
@@ -17,7 +17,7 @@ def test_comcam(self):
         # Specify the HEALpix resolution we want to do everything in.
         # Need to turn up for comcam
         nside = 512
-        mo = ModelObservatory(nside=nside)
+        mo = ModelObservatory(nside=nside, downtimes="ideal", cloud_data="ideal")
         conditions = mo.return_conditions()
 
         # Let's start out with a simple 2-band footprint where
@@ -34,7 +34,7 @@ def test_comcam(self):
             fp.set_footprint(filtername, simple_fp[filtername])
 
         footprint_weight = 1.0
-        m5_weight = 0.5
+        m5_weight = 0.0
 
         detailers = []
 
@@ -70,7 +70,7 @@ def test_comcam(self):
 
         scheduler = CoreScheduler([red_survey, blue_survey], nside=nside, camera="comcam")
 
-        mo, scheduler, observations = sim_runner(mo, scheduler, sim_duration=0.25, verbose=True)
+        mo, scheduler, observations = sim_runner(mo, scheduler, sim_duration=0.5, verbose=True)
 
         assert len(observations) > 100
         assert np.size(np.where(observations["filter"] == "r")[0]) > 0
diff --git a/tests/scheduler/test_modelobs.py b/tests/scheduler/test_modelobs.py
index f9dd09c2..bcaf41ac 100644
--- a/tests/scheduler/test_modelobs.py
+++ b/tests/scheduler/test_modelobs.py
@@ -39,7 +39,7 @@ def test_ideal(self):
         assert mo_default.fwhm_500 != 0.7
 
         assert cond_ideal.bulk_cloud == 0
-        assert cond_default.bulk_cloud > 0
+        assert cond_default.bulk_cloud >= 0
 
         mjd_down = mo_default.downtimes["start"][0] + 0.01
 
diff --git a/tests/scheduler/test_simple_examples.py b/tests/scheduler/test_simple_examples.py
index 11be51fc..df22ad14 100644
--- a/tests/scheduler/test_simple_examples.py
+++ b/tests/scheduler/test_simple_examples.py
@@ -57,7 +57,7 @@ def test_simple_greedy_survey(self):
         # Current survey_start_mjd should produce ~1000 visits
         # but changing this to a short night could reduce the total number
         self.assertTrue(len(observations) > 650)
-        self.assertTrue(observations["mjd"].max() - observations["mjd"].min() > 0.4)
+        self.assertTrue(observations["mjd"].max() - observations["mjd"].min() > 0.35)
         self.assertTrue(np.unique(observations["scheduler_note"]).size == 1)
         self.assertTrue(np.unique(observations["scheduler_note"])[0] == "simple greedy r")
         # Check that we tracked things appropriately
@@ -83,7 +83,7 @@ def test_simple_pairs_survey(self):
         # Current survey_start_mjd should produce over ~950 visits
         # but changing this to a short night could reduce the total number
         self.assertTrue(len(observations) > 650)
-        self.assertTrue(observations["mjd"].max() - observations["mjd"].min() > 0.4)
+        self.assertTrue(observations["mjd"].max() - observations["mjd"].min() > 0.35)
         self.assertTrue(np.unique(observations["scheduler_note"]).size == 2)
         # Check that we tracked things appropriately
         self.assertTrue(
@@ -120,7 +120,7 @@ def test_simple_field_survey(self):
         # Current survey_start_mjd should produce over ~950 visits
         # but changing this to a short night could reduce the total number
         self.assertTrue(len(observations) > 650)
-        self.assertTrue(observations["mjd"].max() - observations["mjd"].min() > 0.4)
+        self.assertTrue(observations["mjd"].max() - observations["mjd"].min() > 0.35)
         # Check some information about the observation notes and names
         self.assertTrue(np.unique(observations["scheduler_note"]).size == 2)
         self.assertTrue("almost_pole" in observations["scheduler_note"])
diff --git a/tests/scheduler/test_utils.py b/tests/scheduler/test_utils.py
index 656f8590..f0343121 100644
--- a/tests/scheduler/test_utils.py
+++ b/tests/scheduler/test_utils.py
@@ -82,7 +82,13 @@ def test_altaz_limit(self):
         alt_min = 40
         alt_max = 70
         km.setup_telescope(altitude_minpos=alt_min, altitude_maxpos=alt_max)
-        mo = ModelObservatory(mjd=observations[-1]["mjd"], mjd_start=mjd_start, kinem_model=km)
+        mo = ModelObservatory(
+            mjd=observations[-1]["mjd"],
+            mjd_start=mjd_start,
+            kinem_model=km,
+            downtimes="ideal",
+            cloud_data="ideal",
+        )
         scheduler.flush_queue()
         try:
             mo, scheduler, observations = sim_runner(