iter 22b.4a.5: retire round-trip skip-list for class/instance fixtures

crates/ailang-surface/tests/round_trip.rs

@@ -32,19 +32,10 @@ fn list_json_fixtures() -> Vec<PathBuf> {
             p.file_name()
                 .and_then(|n| n.to_str())
                 .map(|n| {
-                    // Iter 22b.1 / 22b.2 / 22b.3: the `test_22b1_*`,
-                    // `test_22b2_*`, and `test_22b3_*` fixtures exercise
-                    // class/instance defs at the workspace-load and
-                    // monomorphisation levels, but the surface (Form-B)
-                    // parser/printer arms for those nodes are deferred
-                    // to 22b.4. Until that ships, including these
-                    // fixtures in the round-trip gate would block 22b
-                    // on a property the schema floor does not yet
-                    // promise. Skip them.
+                    // Round-trip every fixture. The 22b.1/22b.2/22b.3 filter
+                    // was retired in 22b.4a once the Form-A parser+printer
+                    // arms for ClassDef / InstanceDef landed.
                     n.ends_with(".ail.json")
-                        && !n.starts_with("test_22b1_")
-                        && !n.starts_with("test_22b2_")
-                        && !n.starts_with("test_22b3_")
                 })
                 .unwrap_or(false)
         })