fix tests

Author: baileympearson

test/integration/node-specific/bson-options/use_bigint_64.test.ts

@@ -171,11 +171,18 @@ describe('useBigInt64 option', function () {
       beforeEach(async function () {
         client = await this.configuration.newClient().connect();
         db = client.db('bsonOptions', { promoteLongs: false, useBigInt64: true });
+
+        await db.createCollection('foo');
+        await db.createCollection('bar');
+      });
+
+      afterEach(async function () {
+        await db.dropDatabase();
       });
 
       it('throws a BSONError', async function () {
         const e = await db
-          .aggregate([])
+          .listCollections()
           .toArray()
           .catch(e => e);
         expect(e).to.be.instanceOf(BSON.BSONError);
@@ -235,12 +242,19 @@ describe('useBigInt64 option', function () {
     describe('when set at DB level', function () {
       beforeEach(async function () {
         client = await this.configuration.newClient().connect();
-        db = client.db('bsonOptions', { promoteValues: false, useBigInt64: true });
+        db = client.db('bsonOptions', { promoteLongs: false, useBigInt64: true });
+
+        await db.createCollection('foo');
+        await db.createCollection('bar');
+      });
+
+      afterEach(async function () {
+        await db.dropDatabase();
       });
 
       it('throws a BSONError', async function () {
         const e = await db
-          .aggregate([])
+          .listCollections()
           .toArray()
           .catch(e => e);
         expect(e).to.be.instanceOf(BSON.BSONError);