tests: add new test for date tiered strategy
tests: add new test for date tiered strategy

This test set the time window to 1 hour and checks that the strategy
works accordingly.

Signed-off-by: Raphael S. Carvalho <1e2942cea40e3b4d2162dfcd9e53e41c05a84d22@scylladb.com>

kjniemi/scylla,avikivity/scylla,kjniemi/scylla,raphaelsc/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,raphaelsc/scylla,scylladb/scylla,duarten/scylla,raphaelsc/scylla,duarten/scylla,duarten/scylla,avikivity/scylla,scylladb/scylla,kjniemi/scylla