Placeholder for test case for referenced_assertion not found in C2PA …

…claim V2's assertions list

cawg_identity/src/tests/identity_assertion/validation_method.rs

@@ -216,3 +216,20 @@ async fn assertion_not_in_claim_v1() {
         "C2PA Test Signing Cert"
     );
 }
+
+/// For each entry in `signer_payload.referenced_assertions`, the validator MUST
+/// verify that the same entry exists in either the `created_assertions` or
+/// `gathered_assertions` entry of the C2PA claim. (For version 1 claims, the
+/// entry must appear in the `assertions` entry.) The
+/// `cawg.identity.assertion.mismatch` error code SHALL be used to report
+/// violations of this rule.
+#[cfg_attr(not(target_arch = "wasm32"), tokio::test)]
+#[cfg_attr(
+    all(target_arch = "wasm32", not(target_os = "wasi")),
+    wasm_bindgen_test
+)]
+#[cfg_attr(target_os = "wasi", wstd::test)]
+#[ignore]
+async fn assertion_not_in_claim_v2() {
+    todo!("Generate a suitable V2 asset with an extra assertion");
+}