Patches error output of unittests

[sidey79]

• Please check if the PR fulfills these requirements

• Tests for the changes have been added / modified (needed for for bug fixes / features)
• commandref has been added / updated (needed for bug fixes / features)
• CHANGED has been updated (needed for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

If there are syntax errors in a unittests, the erros is shown in the logfile to allow easier detection

• What is the current behavior? (You can also link to an open issue here)

Output may not be in the logfile

• What is the new behavior (if this is a feature change)?

condition is fixed, so that the output gets to the log

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

no

• Other information:

[coveralls]

Pull Request Test Coverage Report for Build 1113

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at ?%

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Totals
Change from base Build 1095:	0.0%
Covered Lines:
Relevant Lines:	0

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💛 - Coveralls

[Ralf9]

Ich kann es nur approven ohne zu testen, da ich es nicht testen kann.

[sidey79]

Der Test läuft ja bei jedem commit in Travis.

Ich werde aber noch eine Kleinigkeit anpassen. Ich war da wohl zu schnell

[sidey79]

@Ralf9
Könntest Du hie noch mal genehmigen?