Fix a build failure in buildbot.

Correct a regexp pattern in test suppression filter
to work in a more modern version of python.
In the new python \S matches '"', and the test
output is different compared to the recorded one.

test/box/args.test

@@ -9,7 +9,7 @@ server.test_option("-c")
 server.test_option("--config tarantool.cfg")
 server.test_option("--daemonize")
 sys.stdout.pop_filter()
-sys.stdout.push_filter("(\d)\.\d\.\d(-\d+-\S+)?", "\\1.minor.patch-<rev>-<commit>")
+sys.stdout.push_filter("(\d)\.\d\.\d(-\d+-\w+)?", "\\1.minor.patch-<rev>-<commit>")
 server.test_option("--version")
 server.test_option("-V          ")
 sys.stdout.pop_filter()

test/box/show.test

@@ -13,7 +13,7 @@ exec sql "insert into t0 values (1, 'tuple')"
 exec admin "save snapshot"
 exec sql "delete from t0 where k0 = 1"
 exec admin "exec module command"
-sys.stdout.push_filter("(\d)\.\d\.\d(-\d+-\S+)?", "\\1.minor.patch-<rev>-<commit>")
+sys.stdout.push_filter("(\d)\.\d\.\d(-\d+-\w+)?", "\\1.minor.patch-<rev>-<commit>")
 sys.stdout.push_filter("pid: \d+", "pid: <pid>")
 sys.stdout.push_filter("uptime: \d+", "uptime: <uptime>")
 exec admin "show info"