test(NODE-4079): estimated document count takes no filter

Author: durran

test/integration/collection-management/collection.test.js

@@ -565,9 +565,9 @@ describe('Collection', function () {
         const close = e => client.close(() => done(e));
         let thenFunction;
         if (
-          test.title === 'should correctly perform estimatedDocumentCount on non-matching query'
+          test.title === 'should correctly perform estimatedDocumentCount'
         ) {
-          thenFunction = () => collection.estimatedDocumentCount({ a: 'b' });
+          thenFunction = () => collection.estimatedDocumentCount();
         } else if (test.title === 'should correctly perform countDocuments on non-matching query') {
           thenFunction = () => collection.countDocuments({ a: 'b' });
         }

test/integration/read-write-concern/readconcern.test.js

@@ -234,7 +234,7 @@ describe('ReadConcern', function () {
                   done();
                 });
               } else if (test.commandName === 'count') {
-                collection.estimatedDocumentCount({ a: 1 }, err => {
+                collection.estimatedDocumentCount(err => {
                   expect(err).to.not.exist;
                   validateTestResults(started, succeeded, test.commandName, test.readConcern.level);
                   done();