tests: close some more plots after their test has finished
tests: close some more plots after their test has finished

sinkap/trappy,ARM-software/trappy,sinkap/trappy,joelagnel/trappy,bjackman/trappy,JaviMerino/trappy,JaviMerino/trappy,ARM-software/trappy,joelagnel/trappy,derkling/trappy,derkling/trappy,bjackman/trappy,JaviMerino/trappy,derkling/trappy,sinkap/trappy,ARM-software/trappy,bjackman/trappy,ARM-software/trappy,joelagnel/trappy,joelagnel/trappy,sinkap/trappy,bjackman/trappy