test-removeemptydirs: clarify the state of things in the `histedit` case

This make the test easier to follow and will help to compare with the behavior
on windows.

Differential Revision: https://phab.mercurial-scm.org/D11054

tests/test-removeemptydirs.t

@@ -1,6 +1,7 b''
 Tests for experimental.removeemptydirs
 
   $ NO_RM=--config=experimental.removeemptydirs=0
+  $ DO_RM=--config=experimental.removeemptydirs=1
   $ isdir() { if [ -d $1 ]; then echo yes; else echo no; fi }
   $ isfile() { if [ -f $1 ]; then echo yes; else echo no; fi }
 
@@ -98,6 +99,10 b' This should not output anything about cu'
 
 Histediting across a commit that doesn't have the directory, from inside the
 directory (reordering nodes):
+
+A directory with the right pass exists at the end of the run, but it is a
+different directory than the current one.
+
   $ hg init hghistedit
   $ cd hghistedit
   $ echo hi > r0
@@ -116,12 +121,28 b' directory (reordering nodes):'
   > pick b550aa12d873 2 r2
   > EOF
   $ cd $TESTTMP/hghistedit/somedir
-  $ hg --config extensions.histedit= histedit -q --commands ../histedit_commands
+  $ hg $DO_RM --config extensions.histedit= histedit -q --commands ../histedit_commands
   current directory was removed
   (consider changing to repo root: $TESTTMP/hghistedit)
+  $ ls -1 $TESTTMP/hghistedit/
+  histedit_commands
+  r0
+  r1
+  r2
+  somedir
+  $ pwd
+  $TESTTMP/hghistedit/somedir
+  $ ls -1 $TESTTMP/hghistedit/somedir
+  foo
+  $ ls -1
+
+Get out of the doomed directory
+
+  $ cd $TESTTMP/hghistedit
+  $ hg files --rev . | grep somedir/
+  somedir/foo
 
 
-  $ cd $TESTTMP/hghistedit
   $ cat > histedit_commands <<EOF
   > pick 89079fab8aee 0 r0
   > pick 7c7a22c6009f 3 migrating_revision