simplifying test matrix

.travis.yml

@@ -33,7 +33,7 @@ env:
         - MAIN_CMD='python setup.py'
         - SETUP_CMD='test -V'
         - CONDA_CHANNELS='astropy astropy-ci-extras conda-forge'
-        - CONDA_DEPENDENCIES='matplotlib numpy scipy sphinx-automodapi numpydoc'
+        - CONDA_DEPENDENCIES='matplotlib numpy scipy sphinx-automodapi numpydoc pytest'
         - EVENT_TYPE='pull_request push'
         - ASTROPY_USE_SYSTEM_PYTEST=1
 
@@ -50,7 +50,10 @@ matrix:
 
     include:
         # Try MacOS X
-        - os: osx
+        #- os: osx
+        #  env: SETUP_CMD='test -V'
+
+        - os: linux
           env: SETUP_CMD='test -V'
 
         # Check for sphinx doc build warnings - we do this first because it
@@ -66,13 +69,6 @@ matrix:
         - os: linux
           env: PYTHON_VERSION=2.7 ASTROPY_VERSION=lts
 
-        - os: linux
-          env: ASTROPY_VERSION=lts
-
-        # Try numpy pre-release
-        - os: linux
-          env: NUMPY_VERSION=prerelease
-               EVENT_TYPE='pull_request push cron'
 
     allow_failures:
         # Do a PEP8 test with pycodestyle

mrspoc/tests/test_centroid.py

@@ -1,15 +1,17 @@
 import numpy as np
+import pytest
 
 from ..star import Star, Spot
 
 
-def test_col_methods():
+@pytest.mark.parametrize('x', (0.8, 0.6, 0.4, 0.2, 0.0))
+def test_col_methods(x):
     """
     python -c "from mrspoc.tests.test import test_col_methods as f; f()"
     """
 
     star = Star()
-    star.spots = [Spot(x=0.8, y=0.00, r=0.2)]
+    star.spots = [Spot(x=x, y=0.00, r=0.2)]
 
     x0, y0 = star._centroid_analytic()
     x1, y1 = star._centroid_numerical()