diff --git a/cawg_identity/src/tests/builder/simple_case.rs b/cawg_identity/src/tests/builder/simple_case.rs
index 98c2df92c..f982adc33 100644
--- a/cawg_identity/src/tests/builder/simple_case.rs
+++ b/cawg_identity/src/tests/builder/simple_case.rs
@@ -14,7 +14,6 @@
 use std::io::{Cursor, Seek};
 
 use c2pa::{Builder, Reader, SigningAlg};
-use serde_json::json;
 #[cfg(all(target_arch = "wasm32", not(target_os = "wasi")))]
 use wasm_bindgen_test::wasm_bindgen_test;
 
@@ -23,7 +22,10 @@ use crate::{
         AsyncIdentityAssertionBuilder, AsyncIdentityAssertionSigner, IdentityAssertionBuilder,
         IdentityAssertionSigner,
     },
-    tests::fixtures::{NaiveAsyncCredentialHolder, NaiveCredentialHolder, NaiveSignatureVerifier},
+    tests::fixtures::{
+        manifest_json, parent_json, NaiveAsyncCredentialHolder, NaiveCredentialHolder,
+        NaiveSignatureVerifier,
+    },
     IdentityAssertion, ToCredentialSummary,
 };
 
@@ -141,53 +143,3 @@ async fn simple_case_async() {
     let nc_json = serde_json::to_string(&nc_summary).unwrap();
     assert_eq!(nc_json, "{}");
 }
-
-fn manifest_json() -> String {
-    json!({
-        "vendor": "test",
-        "claim_generator_info": [
-            {
-                "name": "c2pa_test",
-                "version": "1.0.0"
-            }
-        ],
-        "metadata": [
-            {
-                "dateTime": "1985-04-12T23:20:50.52Z",
-                "my_custom_metadata": "my custom metatdata value"
-            }
-        ],
-        "title": "Test_Manifest",
-        "format": "image/tiff",
-        "instance_id": "1234",
-        "thumbnail": {
-            "format": "image/jpeg",
-            "identifier": "thumbnail.jpg"
-        },
-        "ingredients": [
-            {
-                "title": "Test",
-                "format": "image/jpeg",
-                "instance_id": "12345",
-                "relationship": "componentOf"
-            }
-        ],
-        "assertions": [
-            {
-                "label": "org.test.assertion",
-                "data": "assertion"
-            }
-        ]
-    })
-    .to_string()
-}
-
-fn parent_json() -> String {
-    json!({
-        "title": "Parent Test",
-        "format": "image/jpeg",
-        "instance_id": "12345",
-        "relationship": "parentOf"
-    })
-    .to_string()
-}
diff --git a/cawg_identity/src/tests/fixtures/manifest_json.rs b/cawg_identity/src/tests/fixtures/manifest_json.rs
new file mode 100644
index 000000000..957cd9a99
--- /dev/null
+++ b/cawg_identity/src/tests/fixtures/manifest_json.rs
@@ -0,0 +1,65 @@
+// Copyright 2025 Adobe. All rights reserved.
+// This file is licensed to you under the Apache License,
+// Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
+// or the MIT license (http://opensource.org/licenses/MIT),
+// at your option.
+
+// Unless required by applicable law or agreed to in writing,
+// this software is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR REPRESENTATIONS OF ANY KIND, either express or
+// implied. See the LICENSE-MIT and LICENSE-APACHE files for the
+// specific language governing permissions and limitations under
+// each license.
+
+use serde_json::json;
+
+/// Boilerplate JSON to use when building manifests for test cases.
+pub(crate) fn manifest_json() -> String {
+    json!({
+        "vendor": "test",
+        "claim_generator_info": [
+            {
+                "name": "c2pa_test",
+                "version": "1.0.0"
+            }
+        ],
+        "metadata": [
+            {
+                "dateTime": "1985-04-12T23:20:50.52Z",
+                "my_custom_metadata": "my custom metatdata value"
+            }
+        ],
+        "title": "Test_Manifest",
+        "format": "image/tiff",
+        "instance_id": "1234",
+        "thumbnail": {
+            "format": "image/jpeg",
+            "identifier": "thumbnail.jpg"
+        },
+        "ingredients": [
+            {
+                "title": "Test",
+                "format": "image/jpeg",
+                "instance_id": "12345",
+                "relationship": "componentOf"
+            }
+        ],
+        "assertions": [
+            {
+                "label": "org.test.assertion",
+                "data": "assertion"
+            }
+        ]
+    })
+    .to_string()
+}
+
+pub(crate) fn parent_json() -> String {
+    json!({
+        "title": "Parent Test",
+        "format": "image/jpeg",
+        "instance_id": "12345",
+        "relationship": "parentOf"
+    })
+    .to_string()
+}
diff --git a/cawg_identity/src/tests/fixtures/mod.rs b/cawg_identity/src/tests/fixtures/mod.rs
index 431010546..969ab7fe9 100644
--- a/cawg_identity/src/tests/fixtures/mod.rs
+++ b/cawg_identity/src/tests/fixtures/mod.rs
@@ -13,6 +13,9 @@
 
 #![allow(unused)]
 
+mod manifest_json;
+pub(crate) use manifest_json::{manifest_json, parent_json};
+
 mod naive_credential_holder;
 pub(crate) use naive_credential_holder::{
     NaiveAsyncCredentialHolder, NaiveCredentialHolder, NaiveSignatureVerifier,
diff --git a/cawg_identity/src/tests/x509.rs b/cawg_identity/src/tests/x509.rs
index 4ea4076e1..fd1203d68 100644
--- a/cawg_identity/src/tests/x509.rs
+++ b/cawg_identity/src/tests/x509.rs
@@ -15,13 +15,12 @@ use std::io::{Cursor, Seek};
 
 use c2pa::{Builder, Reader, SigningAlg};
 use c2pa_crypto::raw_signature;
-use serde_json::json;
 #[cfg(all(target_arch = "wasm32", not(target_os = "wasi")))]
 use wasm_bindgen_test::wasm_bindgen_test;
 
 use crate::{
     builder::{AsyncIdentityAssertionBuilder, AsyncIdentityAssertionSigner},
-    tests::fixtures::cert_chain_and_private_key_for_alg,
+    tests::fixtures::{cert_chain_and_private_key_for_alg, manifest_json, parent_json},
     x509::{X509CredentialHolder, X509SignatureVerifier},
     IdentityAssertion,
 };
@@ -97,53 +96,3 @@ async fn simple_case() {
 
     // TO DO: Not sure what to check from COSE_Sign1.
 }
-
-fn manifest_json() -> String {
-    json!({
-        "vendor": "test",
-        "claim_generator_info": [
-            {
-                "name": "c2pa_test",
-                "version": "1.0.0"
-            }
-        ],
-        "metadata": [
-            {
-                "dateTime": "1985-04-12T23:20:50.52Z",
-                "my_custom_metadata": "my custom metatdata value"
-            }
-        ],
-        "title": "Test_Manifest",
-        "format": "image/tiff",
-        "instance_id": "1234",
-        "thumbnail": {
-            "format": "image/jpeg",
-            "identifier": "thumbnail.jpg"
-        },
-        "ingredients": [
-            {
-                "title": "Test",
-                "format": "image/jpeg",
-                "instance_id": "12345",
-                "relationship": "componentOf"
-            }
-        ],
-        "assertions": [
-            {
-                "label": "org.test.assertion",
-                "data": "assertion"
-            }
-        ]
-    })
-    .to_string()
-}
-
-fn parent_json() -> String {
-    json!({
-        "title": "Parent Test",
-        "format": "image/jpeg",
-        "instance_id": "12345",
-        "relationship": "parentOf"
-    })
-    .to_string()
-}