Fix: Module Manager test

[martin-rueegg]

What kind of change does this PR introduce? (check at least one)

• Bugfix

Does this PR introduce a breaking change? (check one)

• No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

• It's submitted to the develop branch, not the master branch if no hotfix
• When resolving a specific issue, it's referenced in the PR's description (e.g. Fix #xxx[,#xxx], where "xxx" is the Github issue number)
• All tests are passing
• New/updated tests are included
• Changelog was modified

[martin-rueegg]

• Fix: invalid argument exceptions #6566 / f2ef4c4
• Enh: Add module manager test and add some improvements and bug fixes #6511 / 48ba9de

[martin-rueegg]

@luke-

Thanks for you message regarding the failing tests.

The ones that failed before are now passing. However, there are other tests, that are not passing:

• ProfileImageCest
• PasswordRecoveryCest

I'm not quite sure, this is related and I'm having trouble to replicate this here on my local machine, as I often have many Cests here that fail, where they don't fail on github.

How shall we proceed? Do you have another test environment where you could test this branch?

[luke-]

@martin-rueegg Thanks for the fixes, currently there are problems with the selenium-chromedriver. I'll merge the fixes into next.