[PATCH 1 of 2] test-bad-extension: reduce dependencies on other things

[timeless at mozdev.org]

# HG changeset patch
# User timeless at mozdev.org
# Date 1441928746 14400
#      Thu Sep 10 19:45:46 2015 -0400
# Node ID cc7fc4b67ea0880faa4f8d823ba8fc348f71c0f9
# Parent  ea489d94e1dc1fc3dc1dcbef1c86c18c49605ed1
test-bad-extension: reduce dependencies on other things

test-bad-extension would jitter if the format of the first line
of hg help changed, which isn't relevant to its goal.

diff --git a/tests/test-bad-extension.t b/tests/test-bad-extension.t
--- a/tests/test-bad-extension.t
+++ b/tests/test-bad-extension.t
@@ -9,31 +9,26 @@
   > badext2 =
   > EOF
 
-  $ hg -q help help
+  $ hg -q help help 2>&1 |grep extension
   *** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow
   *** failed to import extension badext2: No module named badext2
-  hg help [-ec] [TOPIC]
-  
-  show help for a given topic or a help overview
 
 show traceback
 
-  $ hg -q help help --traceback 2>&1 | grep -v '^  '
+  $ hg -q help help --traceback 2>&1 | egrep ' extension|^Exception|Traceback|ImportError'
   *** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow
   Traceback (most recent call last):
   Exception: bit bucket overflow
   *** failed to import extension badext2: No module named badext2
   Traceback (most recent call last):
   ImportError: No module named badext2
-  hg help [-ec] [TOPIC]
-  
-  show help for a given topic or a help overview
 
 show traceback for ImportError of hgext.name if debug is set
 (note that --debug option isn't applied yet when loading extensions)
 
-  $ hg help help --traceback --config ui.debug=True 2>&1 \
-  > | grep -v '^  ' | head -n10
+  $ (hg -q help help --traceback --config ui.debug=True 2>&1) \
+  > | grep -v '^ ' \
+  > | egrep 'extension..[^p]|^Exception|Traceback|ImportError|not import'
   *** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow
   Traceback (most recent call last):
   Exception: bit bucket overflow
@@ -43,4 +38,3 @@
   *** failed to import extension badext2: No module named badext2
   Traceback (most recent call last):
   ImportError: No module named badext2
-  hg help [-ec] [TOPIC]