Preview: end the small-RAM-preview pacing test with a newline (cargo fmt)

crates/ui-egui/tests/it/ui_preview_align.rs

@@ -435,4 +435,4 @@ fn a_preview_that_keeps_up_plays_in_real_time_with_a_small_ram_preview() {
     assert!(pb.playing);
     assert!(pb.pace >= 24.0 * 0.98, "plays at {} fps of 24", pb.pace);
     assert!(fr.frame_at(h.state().session.time()) >= 40, "the clock kept real time: {:?}", h.state().session.time());
-}
+}