Drop test for memory under-use

Author: mwcraig

ccdproc/tests/test_memory_use.py

@@ -65,9 +65,13 @@ def test_memory_use_in_combine(combine_method):
     # Checks for NOT ENOUGH MEMORY USED; if these fail it means that
     # memory_factor in the combine function should perhaps be modified
 
+    # DROPPED THESE TESTS -- it isn't clear they were actually useful and
+    # in any event the important thing to guarantee is that we don't
+    # exceed the memory limit.
+
     # If the peak is coming in under the limit something need to be fixed
     # assert np.max(mem_use) >= 0.95 * memory_limit_mb
 
     # If the average is really low perhaps we should look at reducing peak
     # usage. Nothing special, really, about the factor 0.4 below.
-    assert np.mean(mem_use[mem_use > 0]) > 0.4 * memory_limit_mb
+    # assert np.mean(mem_use[mem_use > 0]) > 0.4 * memory_limit_mb