* fix multihost connection of AsyncTransport for AIOHttpConnection as connection_class & ConnectionPool as connection_pool_class parameters with compatability legacy test cases Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> * adding test cases for checking multihost connection pool init with specified connection_class object Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> * remove introduced updates Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> * fix test cases by adding _async_init() call to init the actual hosts Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> * remove unneeded imports Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> * fix test cases of multi hosts connection pool init & adding documentation Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> * Addressed comments in #305. Signed-off-by: dblock <dblock@amazon.com> * Renamed file for consistency. Signed-off-by: dblock <dblock@amazon.com> --------- Signed-off-by: ARashitov <adil.rashitov.98@gmail.com> Signed-off-by: dblock <dblock@amazon.com> Co-authored-by: ARashitov <adil.rashitov.98@gmail.com>