🪲 fixed "Error: TypeError: Cannot read properties of undefined (readi…

[uebelack]

…ng 'split')" if failure element is empty

closes #159 closes #241

[j-catania]

@uebelack, could you please fix all CI and I will merge it.

Thanks for your help

[jozefizso]

The bug with calling .split() on undefined object was fixed in #258.

We will add the new unit test from this PR, but the change in the getFirstNonEmptyLine() function is no longer necessary.

[jozefizso]

And the new report from jest in junit format test overwrites pulsar-test-results.md output file which is used by other test.