test: unit test fixes

Author: durran

test/unit/connection_string.test.ts

@@ -794,42 +794,6 @@ describe('Connection String', function () {
     expect(() => new MongoClient('mango+srv://localhost:23')).to.throw(/Invalid scheme/i);
   });
 
-  describe('when deprecated options are used', () => {
-    it('useNewUrlParser emits a warning', async () => {
-      let willBeWarning = once(process, 'warning');
-      parseOptions('mongodb://host?useNewUrlParser=true');
-      let [warning] = await willBeWarning;
-      expect(warning)
-        .to.have.property('message')
-        .that.matches(/useNewUrlParser has no effect/);
-
-      willBeWarning = once(process, 'warning');
-      //@ts-expect-error: using unsupported option on purpose
-      parseOptions('mongodb://host', { useNewUrlParser: true });
-      [warning] = await willBeWarning;
-      expect(warning)
-        .to.have.property('message')
-        .that.matches(/useNewUrlParser has no effect/);
-    });
-
-    it('useUnifiedTopology emits a warning', async () => {
-      let willBeWarning = once(process, 'warning');
-      parseOptions('mongodb://host?useUnifiedTopology=true');
-      let [warning] = await willBeWarning;
-      expect(warning)
-        .to.have.property('message')
-        .that.matches(/useUnifiedTopology has no effect/);
-
-      willBeWarning = once(process, 'warning');
-      //@ts-expect-error: using unsupported option on purpose
-      parseOptions('mongodb://host', { useUnifiedTopology: true });
-      [warning] = await willBeWarning;
-      expect(warning)
-        .to.have.property('message')
-        .that.matches(/useUnifiedTopology has no effect/);
-    });
-  });
-
   describe('when mongodbLogPath is in options', function () {
     let stderrStub;
     let stdoutStub;

test/unit/mongo_client.test.ts

@@ -273,8 +273,6 @@ describe('MongoClient', function () {
     expect(options.readPreference.mode).to.equal('nearest');
     expect(options.readPreference.tags).to.be.an('array').that.includes(tag);
     expect(options.readPreference.maxStalenessSeconds).to.equal(20);
-    // maxStalenessSeconds sets the minWireVersion
-    expect(options.readPreference.minWireVersion).to.be.at.least(5);
   });
 
   it('should throw when given a readpreference options with an unsupported type', () => {