Merge pull request #50 from gshiba/remove-slashes

Replace slash / with _ in test name

Author: astrofrog

pytest_mpl/plugin.py

@@ -176,6 +176,7 @@ def item_function_wrapper(*args, **kwargs):
                 if filename is None:
                     filename = item.name + '.png'
                     filename = filename.replace('[', '_').replace(']', '_')
+                    filename = filename.replace('/', '_')
                     filename = filename.replace('_.png', '.png')
 
                 # What we do now depends on whether we are generating the