Test with intentional error coming first

Hm, i tried changing the output file to an absolute path, but doesn't seem like the installer likes that for some reason :/

(and of course, testing takes ages since it needs to unpack this damn huge iso file each time)

Test report by @Micket

Overview of tested easyconfigs (in order)

• FAIL (build issue) MATLAB-2023a.eb (partial log available at https://gist.github.com/Micket/316bbdacf2c40a48dd8fb4713e113903)

Build succeeded for 0 out of 1 (1 easyconfigs in total)
vera-c1 - Linux Rocky Linux 8.6, x86_64, Intel Xeon Processor (Skylake), Python 3.6.8
See https://gist.github.com/Micket/361f8406cd83a6918a655e823e4b97d5 for a full test report.

This failure was intentional, with wrong key, i get the output:

== FAILED: Installation ended unsuccessfully (build directory: /dev/shm/MATLAB/2023a/system-system): build failed (first 300 chars): Found error pattern 'Not a valid key' in output file of installer (took 1 min 57 secs)

Test report by @Micket

Overview of tested easyconfigs (in order)

• SUCCESS MATLAB-2023a.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
vera-c1 - Linux Rocky Linux 8.6, x86_64, Intel Xeon Processor (Skylake), Python 3.6.8
See https://gist.github.com/Micket/8cfda3117599ab2141f5a163ff6c85d5 for a full test report.

Successfull test build in easybuilders/easybuild-easyconfigs#17728

Going in, thanks @Micket!

Test report by @smoors

Overview of tested easyconfigs (in order)

• SUCCESS MATLAB-2022a-r5.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
node378.hydra.os - Linux CentOS Linux 7.9.2009, x86_64, Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz, Python 3.6.8
See https://gist.github.com/smoors/67cf2969cebcf540134cff055401b3e7 for a full test report.