Add missing C tests

What is the new feature

Continue adding C tests. This MR closes #6 (closed)

How is it implemented

Mandatory steps before review

• Gitlab CI passes (Hint: use make format for linting)
• New feature is covered by additional unit tests
• Mark the merge request as ready by removing Draft:

Mandatory steps before merge

• Test coverage does not decrease
• Reviewed by a maintainer
• Incorporate review suggestions
• Remember to edit the commit message and select the proper changelog category (feature/bugfix/other)

You are not supposed to merge this request by yourself, the maintainers of fortan-support take care of this action!

assigned to @b382190

added 1 commit

• 13cedc36 - Add tests for sysinfo

Compare with previous version

added test label

added 1 commit

• 6ca15832 - Complete sysinfo tests

Compare with previous version

added 1 commit

• 9c8e4102 - Add only argument to mo_timer test

Compare with previous version

added 1 commit

• 6cae331e - Move timer module use outside

Compare with previous version

added 7 commits

• 14b226f5 - 1 commit from branch master
• cdf28bf9 - Add test for sysinfo
• 28566393 - Add tests for sysinfo
• acbfb8da - Complete sysinfo tests
• cef65eab - Add only argument to mo_timer test
• 3b9da907 - Move timer module use outside
• 36d45ae5 - Revert changes for mo_timer

Compare with previous version

added 1 commit

• 91a5a311 - Add timer tests

Compare with previous version

added 1 commit

• b0cb93e2 - Specify high resolution timer

Compare with previous version

added 1 commit

• c7c5aab0 - change linux macro

Compare with previous version

added 1 commit

• 6133ea3b - Complete timer tests

Compare with previous version

added 1 commit

• 4e628542 - Restore unnecessary changes

Compare with previous version

small quick comments

added 1 commit

• 70167d72 - Add Hash tests

Compare with previous version

added 1 commit

• ca88ff87 - Add non-zero checks for sysinfo

Compare with previous version

added 1 commit

• 6cf0dc85 - Use debug mode for CI tests

Compare with previous version

added 1 commit

• 9933f56f - Remove maxrss length check for CI

Compare with previous version