test: update expected result length

Author: edwardfoyle

packages/graphql-transformers-e2e-tests/src/__tests__/SearchableModelTransformer.e2e.test.ts

@@ -859,7 +859,7 @@ test('query using date range for createdAt', async () => {
 });
 
 test('query using date range for createdAt', async () => {
-  const expectLenghth = 2;
+  const expectLenghth = 3;
   const searchResponse = await GRAPHQL_CLIENT.query(
     `query {
       searchUsers(filter: {createdAt: {range: ["2016", "2019"]}}) {