* tests/seat_test.c (enum test_expect_event_kind): Add leave and
button events.
(struct test_expect_data): Remove structure.
(struct test_recorded_event): New structure.
(struct test_recorded_leave_event)
(struct test_recorded_button_event)
(struct test_recorded_frame_event)
(struct test_recorded_enter_event)
(struct test_recorded_motion_event): New structures. Replace
old event verification mechanism with a mechanism for recording
events sent from the pointer device. and verifying them later.
(enum test_kind, test_names): Add TEST_CLICK_KIND.
(LAST_TEST): Set to TEST_CLICK_KIND.
(num_listener_data, current_listener_data): Remove variables.
(recording_events, record_tail): New variables.
(run_click_test, test_single_step): Implement new kind of test.
(record_events, expect_button_event, expect_frame_event)
(expect_enter_event, expect_motion_event, expect_leave_event)
(expect_button_event, expect_no_events): New functions for
recording and inspecting input events.
(expect_surface_enter, expect_surface_motion): Reimplement in
terms of those functions.
(get_next_expect_data): Delete function.
(handle_pointer_enter, handle_pointer_leave, handle_pointer_motion)
(handle_pointer_button, handle_pointer_frame): Record events
instead of matching them against a list of verified events.
