test: adapt to change output change on default
We now have a `wcache` directory in `.hg`.
--- a/tests/test-evolve-abort-orphan.t Sat Dec 01 16:08:42 2018 +0800
+++ b/tests/test-evolve-abort-orphan.t Tue Dec 04 13:33:51 2018 +0100
@@ -554,3 +554,4 @@
undo.branch
undo.desc
undo.dirstate
+ wcache
--- a/tests/test-evolve-stop-orphan.t Sat Dec 01 16:08:42 2018 +0800
+++ b/tests/test-evolve-stop-orphan.t Tue Dec 04 13:33:51 2018 +0100
@@ -181,6 +181,7 @@
undo.branch
undo.desc
undo.dirstate
+ wcache
Checking when multiple revs need to be evolved, some revs evolve without
conflicts