test: fix tests again

src/search.js

@@ -15,7 +15,6 @@ const search = module.exports;
 
 search.search = async function (data) {
 	const start = process.hrtime();
-	data.searchIn = data.searchIn || 'titlesposts';
 	data.sortBy = data.sortBy || 'relevance';
 
 	let result;

test/search.js

@@ -216,6 +216,7 @@ describe('Search', () => {
 	it('should not find anything', (done) => {
 		search.search({
 			query: 'xxxxxxxxxxxxxx',
+			searchIn: 'titles',
 		}, (err, data) => {
 			assert.ifError(err);
 			assert(Array.isArray(data.posts));