tests: unify test-execute-bit

tests/test-execute-bit.t

@@ -1,21 +1,28 b''
-#!/bin/sh
+  $ "$TESTDIR/hghave" execbit || exit 80
 
-"$TESTDIR/hghave" execbit || exit 80
+  $ hg init
+  $ echo a > a
+  $ hg ci -Am'not executable'
+  adding a
 
-hg init
-echo a > a
-hg ci -Am'not executable'
+  $ chmod +x a
+  $ hg ci -m'executable'
+  $ hg id
+  79abf14474dc tip
+
+Make sure we notice the change of mode if the cached size == -1:
 
-chmod +x a
-hg ci -m'executable'
-hg id
+  $ hg rm a
+  $ hg revert -r 0 a
+  $ hg debugstate
+  n   0         -1 unset               a
+  $ hg status
+  M a
 
-echo '% make sure we notice the change of mode if the cached size == -1'
-hg rm a
-hg revert -r 0 a
-hg debugstate
-hg st
+  $ hg up 0
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg id
+  d69afc33ff8a
+  $ test -x a && echo executable -- bad || echo not executable -- good
+  not executable -- good
 
-hg up 0
-hg id
-test -x a && echo executable -- eek || echo not executable -- whew