test suite: gdr-new-upstream: Use new branch rather than reset

This makes it slightly easier to see what's going on, and to extend
the test.

No overall functional change.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/tests/tests/gdr-newupstream b/tests/tests/gdr-newupstream
index 59acca848343980edbe2d0b2d45aa350ae070a3f..ed80554f1b654885320a1fc08a3eb4f9b88cbc03 100755 (executable)
--- a/tests/tests/gdr-newupstream
+++ b/tests/tests/gdr-newupstream
@@ -54,7 +54,7 @@ git branch ordinary
 
 : ----- 'with --anchor' -----
 
-git reset --hard startpoint
+git checkout -b with-anchor startpoint
 
 t-git-debrebase analyse >../anal.anch
 anchor=$(perl <../anal.anch -ne '