diff --git a/test/unit/webapps/api/conftest.py b/test/unit/webapps/api/conftest.py
new file mode 100644
index 00000000000..7f8a0dc64f7
--- /dev/null
+++ b/test/unit/webapps/api/conftest.py
@@ -0,0 +1,10 @@
+import pytest
+
+from galaxy.schema.fields import BaseDatabaseIdField
+from galaxy.security.idencoding import IdEncodingHelper
+
+
+@pytest.fixture(scope="session", autouse=True)
+def security() -> IdEncodingHelper:
+    BaseDatabaseIdField.security = IdEncodingHelper(id_secret="testing")
+    return BaseDatabaseIdField.security
diff --git a/test/unit/webapps/api/test_fetch_schema.py b/test/unit/webapps/api/test_fetch_schema.py
index ba7d737b2ee..0a78c56bec8 100644
--- a/test/unit/webapps/api/test_fetch_schema.py
+++ b/test/unit/webapps/api/test_fetch_schema.py
@@ -10,7 +10,7 @@ from galaxy.schema.fetch_data import (
     UrlDataElement,
 )
 
-HISTORY_ID = "abcdef0123456789"
+HISTORY_ID = "378807ae895b74ff"
 example_payload = {
     "targets": [
         {
@@ -69,7 +69,7 @@ ftp_hdca_target = {
 }
 
 recursive_archive_payload = {
-    "history_id": "f3f73e481f432006",
+    "history_id": "70583a56914a26f9",
     "targets": [
         {
             "destination": {"type": "library", "name": "My Cool Library"},
@@ -82,7 +82,7 @@ recursive_archive_payload = {
 
 
 nested_element_regression_payload = {
-    "history_id": "80a1fcbe9fcb3c61",
+    "history_id": "c369577e3c21d7b7",
     "targets": [
         {
             "destination": {"type": "hdca"},
diff --git a/test/unit/webapps/api/test_id_fields.py b/test/unit/webapps/api/test_id_fields.py
index f5df335a949..d964f532616 100644
--- a/test/unit/webapps/api/test_id_fields.py
+++ b/test/unit/webapps/api/test_id_fields.py
@@ -5,12 +5,10 @@ from pydantic import (
 )
 
 from galaxy.schema.fields import (
-    BaseDatabaseIdField,
     DecodedDatabaseIdField,
     EncodedDatabaseIdField,
     LibraryFolderDatabaseIdField,
 )
-from galaxy.security.idencoding import IdEncodingHelper
 
 
 class DecodedIdModel(BaseModel):
@@ -25,12 +23,6 @@ class LibraryFolderIdModel(BaseModel):
     id: LibraryFolderDatabaseIdField
 
 
-@pytest.fixture
-def security() -> IdEncodingHelper:
-    BaseDatabaseIdField.security = IdEncodingHelper(id_secret="testing")
-    return BaseDatabaseIdField.security
-
-
 def test_decoded_id_schema_override():
     schema = DecodedIdModel.schema()
     assert schema["properties"]["id"]["type"] == "string", schema
@@ -41,25 +33,25 @@ def test_encoded_id_schema_override():
     assert schema["properties"]["id"]["type"] == "string", schema
 
 
-def test_decoded_database_id_field(security: IdEncodingHelper):
+def test_decoded_database_id_field():
     decoded_id = 1
-    encoded_id = security.encode_id(decoded_id)
+    encoded_id = DecodedDatabaseIdField.encode(decoded_id)
     model = DecodedIdModel(id=encoded_id)
     assert model.id == decoded_id
     assert DecodedDatabaseIdField.encode(model.id) == encoded_id
 
 
-def test_library_folder_database_id_field(security: IdEncodingHelper):
+def test_library_folder_database_id_field():
     decoded_id = 1
-    encoded_id = f"F{security.encode_id(decoded_id)}"
+    encoded_id = f"F{DecodedDatabaseIdField.encode(decoded_id)}"
     model = LibraryFolderIdModel(id=encoded_id)
     assert model.id == decoded_id
     assert LibraryFolderDatabaseIdField.encode(model.id) == encoded_id
 
 
-def test_library_folder_database_id_field_raises_validation_error(security: IdEncodingHelper):
+def test_library_folder_database_id_field_raises_validation_error():
     decoded_id = 1
     # The encoded ID must start with 'F'
-    invalid_encoded_id = security.encode_id(decoded_id)
+    invalid_encoded_id = DecodedDatabaseIdField.encode(decoded_id)
     with pytest.raises(ValidationError):
         LibraryFolderIdModel(id=invalid_encoded_id)