Skip svg tex test if tex is not installed

jenshnielsen · jenshnielsen · commit a9500065da79 · 2015-12-31T12:22:22.000Z
diff --git a/lib/matplotlib/tests/test_backend_svg.py b/lib/matplotlib/tests/test_backend_svg.py
@@ -10,6 +10,11 @@
 import matplotlib.pyplot as plt
 from matplotlib.testing.decorators import cleanup
 from matplotlib.testing.decorators import image_comparison
+import matplotlib
+
+needs_tex = knownfailureif(
+    not matplotlib.checkdep_tex(),
+    "This test needs a TeX installation")
 
 
 @cleanup
@@ -173,6 +178,7 @@ def test_determinism_notex():
 
 
 @cleanup
+@needs_tex
 def test_determinism_tex():
     # unique filename to allow for parallel testing
     _test_determinism('determinism_tex.svg', usetex=True)
