test: use generaldelta in test-manifestv2.t

Generaldelta and bundle2 have no real influence on this test. So we can safely
switch it early.

tests/test-manifestv2.t

@@ -1,96 +1,101
 Create repo with old manifest
 
+  $ cat << EOF >> $HGRCPATH
+  > [format]
+  > usegeneraldelta=yes
+  > EOF
+
   $ hg init existing
   $ cd existing
   $ echo footext > foo
   $ hg add foo
   $ hg commit -m initial
 
 We're using v1, so no manifestv2 entry is in requires yet.
 
   $ grep manifestv2 .hg/requires
   [1]
 
 Let's clone this with manifestv2 enabled to switch to the new format for
 future commits.
 
   $ cd ..
   $ hg clone --pull existing new --config experimental.manifestv2=1
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd new
 
 Check that entry was added to .hg/requires.
 
   $ grep manifestv2 .hg/requires
   manifestv2
 
 Make a new commit.
 
   $ echo newfootext > foo
   $ hg commit -m new
 
 Check that the manifest actually switched to v2.
 
   $ hg debugdata -m 0
   foo\x0021e958b1dca695a60ee2e9cf151753204ee0f9e9 (esc)
 
   $ hg debugdata -m 1
   \x00 (esc)
   \x00foo\x00 (esc)
   I\xab\x7f\xb8(\x83\xcas\x15\x9d\xc2\xd3\xd3:5\x08\xbad5_ (esc)
 
 Check that manifestv2 is used if the requirement is present, even if it's
 disabled in the config.
 
   $ echo newerfootext > foo
   $ hg --config experimental.manifestv2=False commit -m newer
 
   $ hg debugdata -m 2
   \x00 (esc)
   \x00foo\x00 (esc)
   \xa6\xb1\xfb\xef]\x91\xa1\x19`\xf3.#\x90S\xf8\x06 \xe2\x19\x00 (esc)
 
 Check that we can still read v1 manifests.
 
   $ hg files -r 0
   foo
 
   $ cd ..
 
 Check that entry is added to .hg/requires on repo creation
 
   $ hg --config experimental.manifestv2=True init repo
   $ cd repo
   $ grep manifestv2 .hg/requires
   manifestv2
 
 Set up simple repo
 
   $ echo a > file1
   $ echo b > file2
   $ echo c > file3
   $ hg ci -Aqm 'initial'
   $ echo d > file2
   $ hg ci -m 'modify file2'
 
 Check that 'hg verify', which uses manifest.readdelta(), works
 
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 2 changesets, 4 total revisions
 
 Check that manifest revlog is smaller than for v1
 
   $ hg debugindex -m
-     rev    offset  length   base linkrev nodeid       p1           p2
-       0         0      81      0       0 57361477c778 000000000000 000000000000
+     rev    offset  length  delta linkrev nodeid       p1           p2
+       0         0      81     -1       0 57361477c778 000000000000 000000000000
        1        81      33      0       1 aeaab5a2ef74 57361477c778 000000000000