Make Object's constructor from ThreadFunctionTypesTestCase explicit
Make Object's constructor from ThreadFunctionTypesTestCase explicit

Fixes codacy issue "Class 'Object' has a constructor with 1 argument
that is not explicit.".
jasmin-j/distortos,DISTORTEC/distortos,CezaryGapinski/distortos,CezaryGapinski/distortos,jasmin-j/distortos,CezaryGapinski/distortos,DISTORTEC/distortos,DISTORTEC/distortos,jasmin-j/distortos,jasmin-j/distortos,CezaryGapinski/distortos,DISTORTEC/distortos,jasmin-j/distortos,CezaryGapinski/distortos