edit mocks - false is not a valid barmode

Author: archmoj

test/image/mocks/bar_attrs_group.json

@@ -28,6 +28,6 @@
         "height":400,
         "width":400,
         "barmode":"group",
-        "barnorm":false
+        "barnorm":""
     }
 }

test/image/mocks/bar_attrs_overlay.json

@@ -33,6 +33,6 @@
         "height":400,
         "width":400,
         "barmode":"overlay",
-        "barnorm":false
+        "barnorm":""
     }
 }

test/image/mocks/bar_attrs_relative.json

@@ -36,6 +36,6 @@
         "height":400,
         "width":400,
         "barmode":"relative",
-        "barnorm":false
+        "barnorm":""
     }
 }