fix test error

fix test inconsistancy error
Merge remote-tracking branch 'origin/TextPro' into TextPro

Conflicts:
	TextPro/src/main/java/cz/cuni/mff/ufal/textan/textpro/TextPro.java

	TextPro/src/test/java/cz/cuni/mff/ufal/textan/textpro/TestMachineLearning.java