PrestoS3FileSystem.ListingMode

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	44 of 44	0%	4 of 4	0%	4	4	5	5	2	2
static {...}		0%		n/a	1	1	4	4	1	1
isFilesOnly()		0%		0%	3	3	1	1	1	1