fix threshold

Author: baileympearson

test/integration/crud/explain.test.ts

@@ -352,7 +352,7 @@ describe('CRUD API explain option', function () {
           );
 
           expect(result).to.be.instanceOf(MongoOperationTimeoutError);
-          expect(duration).to.be.within(1000, 1000 + 100);
+          expect(duration).to.be.within(1000 - 100, 1000 + 100);
         });
 
         test('the explain command has the calculated maxTimeMS value attached', async function () {
@@ -415,7 +415,7 @@ describe('CRUD API explain option', function () {
           );
 
           expect(result).to.be.instanceOf(MongoOperationTimeoutError);
-          expect(duration).to.be.within(1000, 1000 + 100);
+          expect(duration).to.be.within(1000 - 100, 1000 + 100);
         });
 
         test('the explain command has the calculated maxTimeMS value attached', async function () {