Increase wait_for_message attempts to 20.

(cherry picked from commit 4dd9ec89)
65 jobs for !2724 with 1401-intermittent-failures-in-the-catz-system-test-v9_14 in 19 minutes and 1 second (queued for 5 seconds)
detached
Status Job ID Name Coverage
  Precheck
passed 🐞:sid:amd64 #458351
amd64 linux

00:00:49

passed autoreconf:sid:amd64 #458349
amd64 linux

00:00:23

passed misc:sid:amd64 #458350
amd64 linux

00:00:20

 
  Build
passed asan:sid:amd64 #458364
amd64 linux

00:01:46

passed clang:freebsd11.3:amd64 #458368
amd64 freebsd

00:01:22

passed clang:freebsd12.0:amd64 #458369
amd64 freebsd

00:01:09

passed clang:openbsd6.5:amd64 #458370
amd64 openbsd

00:04:12

passed clang:stretch:amd64 #458365
amd64 linux

00:01:33

passed clang:stretch:i386 #458366
i386 linux

00:01:08

passed gcc:alpine3.10:amd64 #458352
amd64 linux

00:02:47

passed gcc:bionic:amd64 #458363
amd64 linux

00:02:28

passed gcc:buster:amd64 #458358
amd64 linux

00:01:32

passed gcc:centos6:amd64 #458353
amd64 linux

00:02:15

passed gcc:centos7:amd64 #458354
amd64 linux

00:02:24

passed gcc:centos8:amd64 #458355
amd64 linux

00:02:39

passed gcc:fedora30:amd64 #458361
amd64 linux

00:02:34

passed gcc:jessie:amd64 #458356
amd64 linux

00:01:20

passed gcc:sid:amd64 #458359
amd64 linux

00:03:56

passed gcc:sid:i386 #458360
i386 linux

00:02:39

passed gcc:stretch:amd64 #458357
amd64 linux

00:01:40

passed gcc:xenial:amd64 #458362
amd64 linux

00:01:36

passed msvc:windows:amd64 #458372
amd64 windows

00:02:27

passed nolibtool:sid:amd64 #458371
amd64 linux

00:01:45

passed pkcs11:sid:amd64 #458367
amd64 linux

00:01:26

 
  Unit
passed unit:asan:sid:amd64 #458385
amd64 linux

00:00:48

passed unit:clang:freebsd11.3:amd64 #458388
amd64 freebsd

00:00:30

passed unit:clang:freebsd12.0:amd64 #458389
amd64 freebsd

00:00:24

passed unit:clang:stretch:amd64 #458386
amd64 linux

00:00:47

passed unit:gcc:alpine3.10:amd64 #458373
amd64 linux

00:00:43

passed unit:gcc:bionic:amd64 #458384
amd64 linux

00:00:29

passed unit:gcc:buster:amd64 #458379
amd64 linux

00:00:51

passed unit:gcc:centos6:amd64 #458374
amd64 linux

00:00:43

passed unit:gcc:centos7:amd64 #458375
amd64 linux

00:00:31

passed unit:gcc:centos8:amd64 #458376
amd64 linux

00:00:46

passed unit:gcc:fedora30:amd64 #458382
amd64 linux

00:00:46

passed unit:gcc:jessie:amd64 #458377
amd64 linux

00:00:22

passed unit:gcc:sid:amd64 #458380
amd64 linux

00:00:43

passed unit:gcc:sid:i386 #458381
i386 linux

00:00:46

passed unit:gcc:stretch:amd64 #458378
amd64 linux

00:00:46

passed unit:gcc:xenial:amd64 #458383
amd64 linux

00:00:59

passed unit:nolibtool:sid:amd64 #458390
amd64 linux

00:01:03

passed unit:pkcs11:sid:amd64 #458387
amd64 linux

00:00:38

 
  System
passed system:asan:sid:amd64 #458413
linux amd64

00:07:17

passed system:clang:freebsd11.3:amd64 #458405
amd64 freebsd

00:06:23

passed system:clang:freebsd12.0:amd64 #458406
amd64 freebsd

00:06:26

passed system:gcc:alpine3.10:amd64 #458391
amd64 linux

00:06:33

passed system:gcc:bionic:amd64 #458402
amd64 linux

00:06:31

passed system:gcc:buster:amd64 #458397
amd64 linux

00:06:53

passed system:gcc:centos6:amd64 #458412
linux amd64

00:06:25

passed system:gcc:centos7:amd64 #458411
linux amd64

00:06:20

passed system:gcc:centos8:amd64 #458394
amd64 linux

00:06:36

passed system:gcc:fedora30:amd64 #458400
amd64 linux

00:06:32

passed system:gcc:jessie:amd64 #458395
linux amd64

00:06:37

passed system:gcc:sid:amd64 #458398
amd64 linux

00:06:30

passed system:gcc:sid:i386 #458399
i386 linux

00:06:37

passed system:gcc:stretch:amd64 #458396
amd64 linux

00:06:30

passed system:gcc:xenial:amd64 #458401
amd64 linux

00:06:29

passed system:nolibtool:sid:amd64 #458407
amd64 linux

00:07:53

passed system:pkcs11:sid:amd64 #458404
amd64 linux

00:07:53

failed system:asan:sid:amd64 #458403
amd64 linux

00:09:05

failed system:gcc:centos6:amd64 #458392
amd64 linux

00:07:23

failed system:gcc:centos7:amd64 #458393
amd64 linux

00:06:44

 
  Docs
passed docs:sid:amd64 #458408
amd64 linux

00:01:03

 
  Postcheck
passed cppcheck:gcc:sid:amd64 #458410
amd64 linux

00:04:09

passed scan-build:buster:amd64 #458409
amd64 linux

00:10:12