Failing zlib tests on Travis/S390X

[iluuu1994]

Description

https://app.travis-ci.com/github/php/php-src/jobs/597002635

This might be related to the update to Ubuntu 20.04.

PHP Version

master

Operating System

No response

[bukka]

Just to add a bit more info here. The tests are now skipped which was done in PR #10738.

In case the Travis job expires the, error output is fallowing:

========DIFF========
--
**************************************************
     int(0)
     -- Compression level 1 --
*************************************************************
*************************************************************
     int(0)
     -- Compression level 2 --
**************************************************
--
========DONE========
FAIL Test gzdeflate() function : basic functionality [ext/zlib/tests/gzdeflate_basic1.phpt] 
========DIFF========
--
     -- Compression level 0 --
**************************************************
     -- Compression level 1 --
*************************************************************
*************************************************************
     -- Compression level 2 --
**************************************************
     -- Compression level 3 --
--
========DONE========
FAIL Test gzencode() function : basic functionality [ext/zlib/tests/gzencode_basic1.phpt] 
========DIFF========
--
**************************************************
     int(0)
     -- Compression level 1 --
*************************************************************
*************************************************************
     int(0)
     -- Compression level 2 --
**************************************************
--
========DONE========
FAIL Test gzcompress() function : basic functionality [ext/zlib/tests/gzcompress_basic1.phpt]