make reflection always be available on test context

crates/viewer/re_component_ui/tests/test_all_components_ui.rs

@@ -337,13 +337,12 @@ fn check_and_print_results(test_cases: &[TestCase], results: &[Result<(), Snapsh
     );
 }
 
-/// Create a [`TestContext`] with a fully populated component ui registry and reflection.
+/// Create a [`TestContext`] with a fully populated component ui registry.
 // TODO(ab): It would be nice to generalise this utility. However, TestContext current lives in
 // re_viewer_context, which cannot depend on re_component_ui.
 fn get_test_context() -> TestContext {
     let mut test_context = TestContext::default();
     test_context.component_ui_registry = create_component_ui_registry();
-    test_context.reflection = re_types::reflection::generate_reflection().unwrap();
     test_context
 }
 

crates/viewer/re_viewer_context/src/test_context.rs

@@ -53,6 +53,9 @@ impl Default for TestContext {
             |_ctx, _ui, _ui_layout, _query, _db, _entity_path, _row_id, _component| {},
         ));
 
+        let reflection =
+            re_types::reflection::generate_reflection().expect("Failed to generate reflection");
+
         Self {
             recording_store,
             blueprint_store,
@@ -61,7 +64,7 @@ impl Default for TestContext {
             recording_config,
             blueprint_query,
             component_ui_registry,
-            reflection: Default::default(),
+            reflection,
             command_sender,
             command_receiver,
         }