test-filelog: move from dict() construction to {} literals

The latter are both faster and more consistent across Python 2 and 3.

tests/test-filelog.py

@@ -1,55 +1,55 b''
 #!/usr/bin/env python
 """
 Tests the behaviour of filelog w.r.t. data starting with '\1\n'
 """
 from mercurial import ui, hg
 from mercurial.node import nullid, hex
 
 myui = ui.ui()
 repo = hg.repository(myui, path='.', create=True)
 
 fl = repo.file('foobar')
 
 def addrev(text, renamed=False):
     if renamed:
         # data doesn't matter. Just make sure filelog.renamed() returns True
-        meta = dict(copyrev=hex(nullid), copy='bar')
+        meta = {'copyrev': hex(nullid), 'copy': 'bar'}
     else:
         meta = {}
 
     lock = t = None
     try:
         lock = repo.lock()
         t = repo.transaction('commit')
         node = fl.add(text, meta, t, 0, nullid, nullid)
         return node
     finally:
         if t:
             t.close()
         if lock:
             lock.release()
 
 def error(text):
     print 'ERROR: ' + text
 
 textwith = '\1\nfoo'
 without = 'foo'
 
 node = addrev(textwith)
 if not textwith == fl.read(node):
     error('filelog.read for data starting with \\1\\n')
 if fl.cmp(node, textwith) or not fl.cmp(node, without):
     error('filelog.cmp for data starting with \\1\\n')
 if fl.size(0) != len(textwith):
     error('FIXME: This is a known failure of filelog.size for data starting '
         'with \\1\\n')
 
 node = addrev(textwith, renamed=True)
 if not textwith == fl.read(node):
     error('filelog.read for a renaming + data starting with \\1\\n')
 if fl.cmp(node, textwith) or not fl.cmp(node, without):
     error('filelog.cmp for a renaming + data starting with \\1\\n')
 if fl.size(1) != len(textwith):
     error('filelog.size for a renaming + data starting with \\1\\n')
 
 print 'OK.'