handover_test: rename test scripts from numbers to names

The meaningful names expose that some of those tests are apparently
quite similar.

With names like this it is far easier to see whether a specific scenario
is already tested or not, and find a test when looking for a specific
scenario.

Change-Id: I6f6d65d818fd1265e8ff94a2e0afba6392c50eb9

tests/handover/handover_tests.ok

@@ -1,33 +1,33 @@
-pass test0000.ho_vty
-pass test0001.ho_vty
-pass test0002.ho_vty
-pass test0003.ho_vty
-pass test0004.ho_vty
-pass test0005.ho_vty
-pass test0006.ho_vty
-pass test0007.ho_vty
-pass test0008.ho_vty
-pass test0009.ho_vty
-pass test0010.ho_vty
-pass test0011.ho_vty
-pass test0012.ho_vty
-pass test0013.ho_vty
-pass test0014.ho_vty
-pass test0015.ho_vty
-pass test0016.ho_vty
-pass test0017.ho_vty
-pass test0018.ho_vty
-pass test0019.ho_vty
-pass test0020.ho_vty
-pass test0021.ho_vty
-pass test0022.ho_vty
-pass test0023.ho_vty
-pass test0024.ho_vty
-pass test0025.ho_vty
-pass test0026.ho_vty
-pass test0027.ho_vty
-pass test0028.ho_vty
-pass test0029.ho_vty
-pass test0030.ho_vty
-pass test0031.ho_vty
-pass test0032.ho_vty
+pass test_amr_tch_f_to_h.ho_vty
+pass test_amr_tch_f_to_h_balance_congestion.ho_vty
+pass test_amr_tch_f_to_h_congestion.ho_vty
+pass test_amr_tch_f_to_h_congestion_assignment.ho_vty
+pass test_amr_tch_f_to_h_congestion_assignment_2.ho_vty
+pass test_amr_tch_f_to_h_congestion_assignment_3.ho_vty
+pass test_balance_congestion.ho_vty
+pass test_balance_congestion_2.ho_vty
+pass test_congestion.ho_vty
+pass test_disabled_ho_and_as.ho_vty
+pass test_dyn_ts_amr_tch_f_to_h_congestion_assignment.ho_vty
+pass test_dyn_ts_favor_half_used_tch_h_as_target.ho_vty
+pass test_dyn_ts_favor_moving_half_used_tch_h.ho_vty
+pass test_ho_to_better_cell.ho_vty
+pass test_ho_to_better_cell_2.ho_vty
+pass test_hysteresis.ho_vty
+pass test_insufficient_measurements.ho_vty
+pass test_keep_efr_codec.ho_vty
+pass test_keep_fr_codec.ho_vty
+pass test_keep_hr_codec.ho_vty
+pass test_max_handovers.ho_vty
+pass test_max_ta.ho_vty
+pass test_min_rxlev_vs_congestion.ho_vty
+pass test_min_rxlev_vs_hysteresis.ho_vty
+pass test_neighbor_congested.ho_vty
+pass test_neighbor_full.ho_vty
+pass test_no_congestion.ho_vty
+pass test_penalty_timer.ho_vty
+pass test_rxqual.ho_vty
+pass test_rxqual_vs_congestion.ho_vty
+pass test_stay_in_better_cell.ho_vty
+pass test_stay_in_better_cell_2.ho_vty
+pass test_story.ho_vty