pmdb.py: change siglevel name to Required

"Always" is not a valid siglevel.  sign002.py was succeeding because
pacman failed to parse the resulting config file rather than a failed
signature check.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

test/pacman/pmdb.py

@@ -69,7 +69,7 @@ def __str__(self):
         return "%s" % self.treename
 
     def getverify(self):
-        for value in ("Always", "Never", "Optional"):
+        for value in ("Required", "Never", "Optional"):
             if value in self.treename:
                 return value
         return "Never"

test/pacman/tests/sign002.py

@@ -2,7 +2,7 @@
 
 sp = pmpkg("pkg1")
 sp.pgpsig = "iEYEABECAAYFAkhMOggACgkQXC5GoPU6du2WVQCffVxF8GKXJIY4juJBIw/ljLrQxygAnj2QlvsUd7MdFekLX18+Ov/xzgZ1"
-self.addpkg2db("sync+Always", sp)
+self.addpkg2db("sync+Required", sp)
 
 self.args = "-S %s" % sp.name