try fixing deno test

Author: vkarpov15

test/query.toconstructor.test.js

@@ -184,6 +184,7 @@ describe('Query:', function() {
       });
 
       const Test = db.model('Test', schema);
+      await Test.deleteMany({});
       const test = new Test({ name: 'Romero' });
       const Q = Test.findOne({}).toConstructor();