fixup! Add ShowLabels component.

crates/store/re_types/tests/arrows3d.rs

@@ -55,4 +55,27 @@ fn roundtrip() {
         ("show_labels", vec!["rerun.components.ShowLabels"]),
     ]
     .into();
+
+    eprintln!("arch = {arch:#?}");
+    let serialized = arch.to_arrow().unwrap();
+    for (field, array) in &serialized {
+        // NOTE: Keep those around please, very useful when debugging.
+        // eprintln!("field = {field:#?}");
+        // eprintln!("array = {array:#?}");
+        eprintln!("{} = {array:#?}", field.name);
+
+        // TODO(cmc): Re-enable extensions and these assertions once `arrow2-convert`
+        // has been fully replaced.
+        if false {
+            util::assert_extensions(
+                &**array,
+                expected_extensions[field.name.as_str()].as_slice(),
+            );
+        }
+    }
+
+    let deserialized = Arrows3D::from_arrow(serialized).unwrap();
+    similar_asserts::assert_eq!(expected, deserialized);
 }
+
+mod util;

crates/store/re_types/tests/points3d.rs

@@ -48,7 +48,7 @@ fn roundtrip() {
         ("labels", vec!["rerun.components.Text"]),
         ("class_ids", vec!["rerun.components.ClassId"]),
         ("keypoint_ids", vec!["rerun.components.KeypointId"]),
-        ("show_labels", vec!["rerun.components.Bool"]),
+        ("show_labels", vec!["rerun.components.ShowLabels"]),
     ]
     .into();