Hawkey tests: Make the Query test per-sack
Hawkey tests: Make the Query test per-sack

Following "query-py: Ensure reldep is from the same sack", it is
necessary to make Reldep use per-sack. This commit alters the Query
tests to create per-sack Query objects.

Signed-off-by: Kyle Walker <7f62a1b902528bc2cd503d5762cfe82eea89e2aa@redhat.com>

rpm-software-management/libdnf,rpm-software-management/libdnf,rpm-software-management/libdnf,rpm-software-management/libdnf