Fix test_mathtext so it passes by lowering comparison threshold to the default. This will be resolved better later by the patch (in master) that separates the math tests out into individual iage files.

Author: mdboom

lib/matplotlib/tests/test_mathtext.py

@@ -141,7 +141,7 @@ def _run_all_tests(tests):
         fig.text(0, float(len(tests) - i - 1) / len(tests), test)
     return fig
 
-@image_comparison(baseline_images=['mathtext'], tol=1e-5)
+@image_comparison(baseline_images=['mathtext'])
 def test_mathtext():
     fig = _run_all_tests(math_tests)
     fig.savefig('mathtext')