GODRIVER-2810 Cleanup code

mongo/options/clientoptions_test.go

@@ -763,8 +763,6 @@ func TestClientOptions(t *testing.T) {
 	t.Run("server monitoring mode validation", func(t *testing.T) {
 		t.Parallel()
 
-		// := fmt.Errorf("invalid server monitoring mode: %q", *mode)
-
 		testCases := []struct {
 			name string
 			opts *ClientOptions
@@ -801,6 +799,8 @@ func TestClientOptions(t *testing.T) {
 			tc := tc // Capture the range variable
 
 			t.Run(tc.name, func(t *testing.T) {
+				t.Parallel()
+
 				err := tc.opts.Validate()
 				assert.Equal(t, tc.err, err, "expected error %v, got %v", tc.err, err)
 			})

x/mongo/driver/operation.go

@@ -1109,14 +1109,15 @@ func (op Operation) createLegacyHandshakeWireMessage(
 	dst []byte,
 	desc description.SelectedServer,
 ) ([]byte, startedInformation, error) {
-	var dollarCmd = [...]byte{'.', '$', 'c', 'm', 'd'}
 	var info startedInformation
 	flags := op.secondaryOK(desc)
 	var wmindex int32
 	info.requestID = wiremessage.NextRequestID()
 	wmindex, dst = wiremessage.AppendHeaderStart(dst, info.requestID, 0, wiremessage.OpQuery)
 	dst = wiremessage.AppendQueryFlags(dst, flags)
 
+	var dollarCmd = [...]byte{'.', '$', 'c', 'm', 'd'}
+
 	// FullCollectionName
 	dst = append(dst, op.Database...)
 	dst = append(dst, dollarCmd[:]...)

x/mongo/driver/topology/server.go

@@ -4,12 +4,6 @@
 // not use this file except in compliance with the License. You may obtain
 // a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 
-/// Copyright (C) MongoDB, Inc. 2017-present.
-//
-// Licensed under the Apache License, Version 2.0 (the "License"); you may
-// not use this file except in compliance with the License. You may obtain
-// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
-
 package topology
 
 import (