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)
latest detached
Status Job ID Name Coverage
  Precheck
passed #458351
amd64 linux
🐞:sid:amd64

00:00:49

passed #458349
amd64 linux
autoreconf:sid:amd64

00:00:23

passed #458350
amd64 linux
misc:sid:amd64

00:00:20

 
  Build
passed #458364
amd64 linux
asan:sid:amd64

00:01:46

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

00:01:22

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

00:01:09

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

00:04:12

passed #458365
amd64 linux
clang:stretch:amd64

00:01:33

passed #458366
i386 linux
clang:stretch:i386

00:01:08

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

00:02:47

passed #458363
amd64 linux
gcc:bionic:amd64

00:02:28

passed #458358
amd64 linux
gcc:buster:amd64

00:01:32

passed #458353
amd64 linux
gcc:centos6:amd64

00:02:15

passed #458354
amd64 linux
gcc:centos7:amd64

00:02:24

passed #458355
amd64 linux
gcc:centos8:amd64

00:02:39

passed #458361
amd64 linux
gcc:fedora30:amd64

00:02:34

passed #458356
amd64 linux
gcc:jessie:amd64

00:01:20

passed #458359
amd64 linux
gcc:sid:amd64

00:03:56

passed #458360
i386 linux
gcc:sid:i386

00:02:39

passed #458357
amd64 linux
gcc:stretch:amd64

00:01:40

passed #458362
amd64 linux
gcc:xenial:amd64

00:01:36

passed #458372
amd64 windows
msvc:windows:amd64

00:02:27

passed #458371
amd64 linux
nolibtool:sid:amd64

00:01:45

passed #458367
amd64 linux
pkcs11:sid:amd64

00:01:26

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

00:00:48

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

00:00:30

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

00:00:24

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

00:00:47

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

00:00:43

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

00:00:29

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

00:00:51

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

00:00:43

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

00:00:31

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

00:00:46

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

00:00:46

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

00:00:22

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

00:00:43

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

00:00:46

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

00:00:46

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

00:00:59

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

00:01:03

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

00:00:38

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

00:07:17

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

00:06:23

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

00:06:26

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

00:06:33

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

00:06:31

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

00:06:53

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

00:06:25

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

00:06:20

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

00:06:36

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

00:06:32

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

00:06:37

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

00:06:30

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

00:06:37

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

00:06:30

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

00:06:29

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

00:07:53

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

00:07:53

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

00:09:05

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

00:07:23

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

00:06:44

 
  Docs
passed #458408
amd64 linux
docs:sid:amd64

00:01:03

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

00:04:09

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

00:10:12