Fix tests for pt-kill

$ prove -vw --trap --timer t/pt-kill/
[17:56:46] t/pt-kill/basics.t ............ 
1..6
ok 1 - There were 2 to 5 captures
ok 2 - Approximately 9 or 10 captures with --iterations 0
ok 3 - --verbose
ok 4 - kill-mysql-process says it reconnected
ok 5 - pt-kill still checked the processlist 4 times
ok 6 - Sandbox servers
ok    31214 ms ( 0.01 usr  0.00 sys +  0.53 cusr  0.14 csys =  0.68 CPU)
[17:57:17] t/pt-kill/execute_command.t ... 
1..9
ok 1 - No output without --print
ok 2 - --execute-command
ok 3 - --print with --execute-command
ok 4 - --execute-command (online)
Can't locate object method "daemonize" via package "Daemon" at /home/sveta/src/percona-toolkit/bin/pt-kill line 7241.
grep: /tmp/pt-kill-test.124993.log: No such file or directory
not ok 5 - Executed zombie command

#   Failed test 'Executed zombie command'
#   at t/pt-kill/execute_command.t line 86.
#                   ''
#     doesn't match '(?^:Executed echo zombie)'
ok 6 - No zombies
ok 7 - pt-kill stopped
ok 8 - No zombies
ok 9 - Sandbox servers
# Looks like you failed 1 test of 9.
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/9 subtests 
[17:57:56] t/pt-kill/filter_plugin.t ..... 
1..1
ok 1 - basic --filter function works
ok      190 ms ( 0.00 usr  0.00 sys +  0.17 cusr  0.02 csys =  0.19 CPU)
[17:57:56] t/pt-kill/group_by.t .......... 
1..9
ok 1 - Kill all but oldest
ok 2 - Kill all but oldest, matching specific user
ok 3 - Any busy time doesn't match
ok 4 - Any busy time matches
ok 5 - Each busy time doesn't match
ok 6 - Each busy time matches
ok 7 - Query count doesn't match
ok 8 - Queries don't match unless comments are stripped
ok 9 - --filter and custom --group-by
ok      271 ms ( 0.01 usr  0.00 sys +  0.22 cusr  0.05 csys =  0.28 CPU)
[17:57:57] t/pt-kill/group_queries.t ..... 
1..3
ok 1 - Group by Info
ok 2 - Group by Info with similar fingerprints
ok 3 - Group by fingerprint
ok      188 ms ( 0.00 usr  0.00 sys +  0.16 cusr  0.03 csys =  0.19 CPU)
[17:57:57] t/pt-kill/kill.t .............. 
ok 1 - Got proc id of sleeping query
ok 2 - --kill
ok 3 - Killed connection
ok 4 - Got proc id of sleeping query
ok 5 - --kill-query
ok 6 - Killed query, not connection
ok 7 - Connection is still alive
ok 8 - Sandbox servers
1..8
ok     5721 ms ( 0.00 usr  0.00 sys +  0.30 cusr  0.13 csys =  0.43 CPU)
[17:58:02] t/pt-kill/log_dsn.t ........... 
ok 1 - --log-dsn croaks if missing D and t
ok 2 - --log-dsn croaks if missing D
ok 3 - --log-dsn croaks if missing t
ok 4 - --log-dsn with existing log table, no error
ok 5 - ... which contains one row
ok 6 - ... got the target db
ok 7 - ... on the correct server
ok 8 - ... correct kill reason
ok 9 - ... timestamp is correct (bug 1086259)
ok 10 - ... populated as expected
ok 11 - --log-dsn --create-log-table and the table exists, no error
ok 12 - --log-dsn --create-log-table and the table doesn't exist, no error
ok 13 - --create-log-table is off by default
ok 14 - Different --log-dsn runs reuse the log table
Can't locate object method "daemonize" via package "Daemon" at /home/sveta/src/percona-toolkit/bin/pt-kill line 7241.
ok 15 - --log-dsn --daemonize, master (bug 1209436)
not ok 16 - --log-dsn --daemonize, slave (bug 1209436)

#   Failed test '--log-dsn --daemonize, slave (bug 1209436)'
#   at t/pt-kill/log_dsn.t line 298.
# $VAR1 = [];
Can't locate object method "daemonize" via package "Daemon" at /home/sveta/src/percona-toolkit/bin/pt-kill line 7241.
ok 17 - --log-dsn in --config file, master (bug 1209436)
not ok 18 - --log-dsn in --config file, slave (bug 1209436)

#   Failed test '--log-dsn in --config file, slave (bug 1209436)'
#   at t/pt-kill/log_dsn.t line 343.
# $VAR1 = [];
ok 19 - Sandbox servers
1..19
# Looks like you failed 2 tests of 19.
Dubious, test returned 2 (wstat 512, 0x200)
Failed 2/19 subtests 
[17:59:12] t/pt-kill/match.t ............. 
1..17
ok 1 - --match-info
ok 2 - Ignore State=Locked by default
ok 3 - Can override default ignore State=Locked with --ignore-state ''
ok 4 - --match-state
ok 5 - --victims all
ok 6 - --ignore-user
ok 7 - --busy-time
ok 8 - --busy-time but no query is busy enough
ok 9 - --idle-time
ok 10 - --match-state Locked --ignore-state '' --busy-time 5
ok 11 - --match-all except ignored
ok 12 - --match-all
ok 13 - --query-id
ok 14 - --json
ok 15 - Doesn't match replication threads by default
ok 16 - --replication-threads allows matching replication thread
ok 17 - Sandbox servers
ok     2842 ms ( 0.01 usr  0.00 sys +  0.39 cusr  0.14 csys =  0.54 CPU)
[17:59:15] t/pt-kill/pt_167.t ............ # Thread started

ok 1 - Got proc id of sleeping query: 9037
ok 2 - --kill-query
ok 3 - Sandbox servers
1..3
ok     5002 ms ( 0.00 usr  0.00 sys +  0.32 cusr  0.17 csys =  0.49 CPU)
[17:59:20] t/pt-kill/standard_options.t .. 
1..6
Can't locate object method "daemonize" via package "Daemon" at /home/sveta/src/percona-toolkit/bin/pt-kill line 7241.
not ok 1 - It lives daemonized

#   Failed test 'It lives daemonized'
#   at t/pt-kill/standard_options.t line 37.
#                   'sveta     127566  127552  0 17:59 pts/0    00:00:00 sh -c ps -eaf | grep 'pt-kill -F'
# sveta     127568  127566  0 17:59 pts/0    00:00:00 grep pt-kill -F
# '
#     doesn't match '(?^:pt-kill -F )'
not ok 2 - PID file created

#   Failed test 'PID file created'
#   at t/pt-kill/standard_options.t line 42.
not ok 3 - Log file created

#   Failed test 'Log file created'
#   at t/pt-kill/standard_options.t line 46.
ok 4 - PID file removed
not ok 5 - Dies if PID file already exists (--pid without --daemonize) (issue 391)

#   Failed test 'Dies if PID file already exists (--pid without --daemonize) (issue 391)'
#   at t/pt-kill/standard_options.t line 65.
#                   'Can't locate object method "make_PID_file" via package "Daemon" at /home/sveta/src/percona-toolkit/bin/pt-kill line 7247.
# '
#     doesn't match '(?^:PID file /tmp/pt-script.pid already exists)'
ok 6 - Sandbox servers
# Looks like you failed 4 tests of 6.
Dubious, test returned 4 (wstat 1024, 0x400)
Failed 4/6 subtests 
[17:59:21]

Test Summary Report
-------------------
t/pt-kill/execute_command.t (Wstat: 256 Tests: 9 Failed: 1)
  Failed test:  5
  Non-zero exit status: 1
t/pt-kill/log_dsn.t         (Wstat: 512 Tests: 19 Failed: 2)
  Failed tests:  16, 18
  Non-zero exit status: 2
t/pt-kill/standard_options.t (Wstat: 1024 Tests: 6 Failed: 4)
  Failed tests:  1-3, 5
  Non-zero exit status: 4
Files=10, Tests=81, 155 wallclock secs ( 0.05 usr  0.01 sys +  3.86 cusr  1.41 csys =  5.33 CPU)
Result: FAIL