Make gh-100 test case build directory independent.

test/box/configuration.result

@@ -209,8 +209,8 @@ ok
 # Bug#100 Segmentation fault if rows_per_wal = 1
 #  (https://github.com/tarantool/tarantool/issues/100)
 
-tarantool_box -c /data/work/tarantool/stable/test/box/tarantool_bug_gh100.cfg
-/data/work/tarantool/stable/src/box/tarantool_box: can't load config:
+tarantool_box -c tarantool_bug_gh100.cfg
+tarantool_box: can't load config:
  - rows_per_wal must be greater than one
 
 

test/box/configuration.test

@@ -62,7 +62,9 @@ print """
 """
 # stop current server
 server.stop()
+sys.stdout.push_filter("(/\S+)+/tarantool", "tarantool")
 server.test_option("-c " + os.path.join(os.getcwd(), "box/tarantool_bug_gh100.cfg"))
+sys.stdout.pop_filter()
 
 print """
 #  Test field type conflict in keys