tests: exit 0 no longer needed on unified tests

tests/test-abort-checkin.t

@@ -31,5 +31,3 b' called and .hg/journal.dirstate will not'
   rollback completed
   abort: no commits allowed
   [255]
-
-  $ exit 0

tests/test-alias.t

@@ -198,5 +198,3 b' invalid arguments'
   
   use "hg -v help rt" to show global options
   [255]
-
-  $ exit 0

tests/test-archive.t

@@ -233,5 +233,3 b' old file -- date clamped to 1980'
           0  1980-01-01 00:00   old/old
   ---------                     -------
         147                     2 files
-
-  $ exit 0

tests/test-audit-path.t

@@ -80,5 +80,3 b' attack /tmp/test'
   $ hg update -Cr4
   abort: No such file or directory: .*/test-audit-path.t/target//tmp/test
   [255]
-
-  $ exit 0

tests/test-backout.t

@@ -259,5 +259,3 b' on branch1, so no file1 and file2:'
   $ hg st -A
   C default
   C file1
-
-  $ exit 0

tests/test-commit-unresolved.t

@@ -45,5 +45,3 b' Mark the conflict as resolved and commit'
 
   $ hg resolve -m A
   $ hg commit -m "Merged"
-
-  $ exit 0

tests/test-commit.t

@@ -265,6 +265,3 b' test commit message content'
   HG: removed removed
   abort: empty commit message
   [255]
-  $ cd ..
-
-  $ exit 0

tests/test-copy2.t

@@ -100,5 +100,3 b" but it's considered modified after a cop"
   $ hg st -AC foo
   M foo
     bar
-
-  $ exit 0

tests/test-debugcomplete.t

@@ -247,5 +247,3 b' Show all commands + options'
   unbundle: update
   verify: 
   version: 
-
-  $ exit 0

tests/test-dispatch.t

@@ -64,5 +64,3 b' No repo:'
   abort: There is no Mercurial repository here (.hg not found)!
   [255]
 
-  $ exit 0
-

tests/test-dumprevlog.t

@@ -105,5 +105,3 b' Compare repos:'
   no changes found
   [1]
 
-  $ exit 0
-

tests/test-extension.t

@@ -318,6 +318,3 b' Broken disabled extension and command:'
   $ hg --config extensions.path=./path.py help foo > /dev/null
   hg: unknown command 'foo'
   [255]
-
-  $ exit 0
-

tests/test-hook.t

@@ -479,4 +479,3 b''
   cb9a9f314b8b
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
-  $ exit 0

tests/test-issue322.t

@@ -57,5 +57,3 b' Should fail - would corrupt dirstate:'
   abort: directory 'b' already in dirstate
   [255]
 
-  $ exit 0
-

tests/test-journal-exists.t

@@ -32,5 +32,3 b' Check that zero-size journals are correc'
 
   $ if test -f foo/.hg/store/journal; then echo 'journal exists :-('; fi
 
-  $ exit 0
-

tests/test-log.t

@@ -1020,5 +1020,3 b' log -p -R repo'
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add foo, related
   
-
-  $ exit 0

tests/test-remove-new.t

@@ -11,4 +11,3 b" test that 'hg commit' does not crash if "
   removing b
   nothing changed
   [1]
-  $ exit 0

tests/test-subrepo-deep-nested-change.t

@@ -115,5 +115,3 b' debugsub output for main and sub1'
   path sub2
    source   ../sub2
    revision 53dd3430bcaf5ab4a7c48262bcad6d441f510487
-
-  $ exit 0

tests/test-subrepo-paths.t

@@ -30,5 +30,3 b' test bad subpaths pattern'
   $ hg debugsub
   abort: bad subrepository pattern in .*/test-subrepo-paths.t/outer/.hg/hgrc:2: invalid group reference
   [255]
-
-  $ exit 0

tests/test-subrepo-relative-path.t

@@ -67,5 +67,3 b" subrepo debug for 'main' clone"
    revision 863c1745b441bd97a8c4a096e87793073f4fb215
 
   $ "$TESTDIR/killdaemons.py"
-
-  $ exit 0

tests/test-subrepo.t

@@ -584,5 +584,3 b' issue 1977'
   $ hg -R repo update
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ rm -rf repo2 repo
-
-  $ exit 0

tests/test-tags.t

@@ -368,4 +368,3 b' to remove a tag of type X which actually'
   tip                                1:a0b6fe111088
   localtag                           0:bbd179dfa0a7 local
   globaltag                          0:bbd179dfa0a7
-  $ exit 0

tests/test-verify.t

@@ -99,5 +99,3 b' test revlog format 0'
   crosschecking files in changesets and manifests
   checking files
   1 files, 1 changesets, 1 total revisions
-
-  $ exit 0