Remove unused return value from test helper.

Author: matthewdale

x/mongo/driver/integration/main_test.go

@@ -119,13 +119,13 @@ func addCompressorToURI(uri string) string {
 	return uri + "compressors=" + comp
 }
 
-// runCommand runs an arbitrary command on a given database of target server
-func runCommand(s driver.Server, db string, cmd bsoncore.Document) (bsoncore.Document, error) {
+// runCommand runs an arbitrary command on a given database of the target
+// server.
+func runCommand(s driver.Server, db string, cmd bsoncore.Document) error {
 	op := operation.NewCommand(cmd).
-		Database(db).Deployment(driver.SingleServerDeployment{Server: s})
-	err := op.Execute(context.Background())
-	res := op.Result()
-	return res, err
+		Database(db).
+		Deployment(driver.SingleServerDeployment{Server: s})
+	return op.Execute(context.Background())
 }
 
 // dropCollection drops the collection in the test cluster.

x/mongo/driver/integration/scram_test.go

@@ -147,8 +147,7 @@ func runScramAuthTest(t *testing.T, credential options.Credential) error {
 	noerr(t, err)
 
 	cmd := bsoncore.BuildDocument(nil, bsoncore.AppendInt32Element(nil, "dbstats", 1))
-	_, err = runCommand(server, integtest.DBName(t), cmd)
-	return err
+	return runCommand(server, integtest.DBName(t), cmd)
 }
 
 func createScramUsers(t *testing.T, s driver.Server, cases []scramTestCase) error {
@@ -169,7 +168,7 @@ func createScramUsers(t *testing.T, s driver.Server, cases []scramTestCase) erro
 			)),
 			bsoncore.AppendArrayElement(nil, "mechanisms", bsoncore.BuildArray(nil, values...)),
 		)
-		_, err := runCommand(s, db, newUserCmd)
+		err := runCommand(s, db, newUserCmd)
 		if err != nil {
 			return fmt.Errorf("Couldn't create user '%s' on db '%s': %w", c.username, integtest.DBName(t), err)
 		}