diff --git a/artifact.whitelist_expiration/tests/data/sample_whitelist.json b/artifact.whitelist_expiration/tests/data/sample_whitelist.json
new file mode 100644
index 0000000..de68d7b
--- /dev/null
+++ b/artifact.whitelist_expiration/tests/data/sample_whitelist.json
@@ -0,0 +1,22 @@
+[
+  {
+    "entry_id": "entry_valid_001",
+    "expires_at": "2099-12-31T23:59:59",
+    "reason_code": "PERM_TEST_VALID"
+  },
+  {
+    "entry_id": "entry_expired_002",
+    "expires_at": "2020-01-01T00:00:00",
+    "reason_code": "LEGACY_TEST_EXPIRED"
+  },
+  {
+    "entry_id": "entry_soon_expiring_003",
+    "expires_at": "2024-12-31T23:59:59",
+    "reason_code": "SOON_EXPIRING_FOR_RENEW"
+  },
+  {
+    "entry_id": "entry_edge_004",
+    "expires_at": null,
+    "reason_code": "MISSING_EXPIRATION"
+  }
+]
\ No newline at end of file