diff --git a/src/ssn/verify/verifyPatchmanifest.ts b/src/ssn/verify/verifyPatchmanifest.ts
index c9b3e95..0eacdb5 100644
--- a/src/ssn/verify/verifyPatchmanifest.ts
+++ b/src/ssn/verify/verifyPatchmanifest.ts
@@ -156,9 +156,18 @@ export default function verifyPatchmanifest(manifestFile: xmlJs.Element, product
     if (ExtraData.type !== 'element' || ExtraData.name !== 'ExtraData' || ExtraData.attributes !== undefined) {
       throw new Error(`Expected ExtraData element in patch ${fromNum}to${toNum}.`);
     }
-    const isPatchWithoutExtraData = product === 'assets_swtor_fr_fr' && fromNum === '132' && toNum === '130';
+    const noExtraData: Array<[Product, number, number]> = [
+      ['assets_swtor_fr_fr', 132, 130],
+      ['assets_swtor_test_main', 261, 262],
+      ['assets_swtor_test_main', 0, 262],
+      ['assets_swtor_test_main', 262, 260],
+    ];
+    const isPatchWithoutExtraData = noExtraData.some((entry) => product === entry[0] && fromNum === String(entry[1]) && toNum === String(entry[2]));
     if (ExtraData.elements === undefined && !isPatchWithoutExtraData) {
-      throw new Error(`Expected ExtraData element with children in patch ${fromNum}to${toNum}.`);
+      throw new Error(`Expected ExtraData element with children in patch ${fromNum}to${toNum} but it had no children.`);
+    }
+    if (ExtraData.elements !== undefined && isPatchWithoutExtraData) {
+      throw new Error(`Expected ExtraData element without children in patch ${fromNum}to${toNum} but it had children.`);
     }
     if (!isPatchWithoutExtraData) {
       for (const ExtraDataItem of (ExtraData.elements as xmlJs.Element[])) {