bug920951: restart/stop-server logic of cat.test corrected

test/box/cat.test

@@ -12,13 +12,14 @@ print """
 # This way we check that the server can read old snapshots (v11)
 # going forward.
 """
-server.stop()
 snapshot = os.path.join(vardir, "00000000000000000500.snap")
 os.symlink(os.path.abspath("box/00000000000000000500.snap"), snapshot)
 server.test_option("--cat=00000000000000000500.snap")
-# server.start()
+server.restart()
 
 # print "# Restore the default server..."
-# server.stop()
 os.unlink(snapshot)
+server.stop()
+
+# __EOF__
 

test/box_big/sql.result

@@ -22,8 +22,8 @@ Insert OK, 1 row affected
 select * from t0 where k1='Richard' or k1='Tomas' or k1='Tomas' limit 5
 Found 5 tuples:
 ['Doe', 'Richard']
-['Roe', 'Richard']
 ['Woe', 'Richard']
+['Roe', 'Richard']
 ['Major', 'Tomas']
 ['Kytes', 'Tomas']
 #