Fix "doesn't exists" typo (#26307)

server/cmd/mmctl/commands/config_e2e_test.go

@@ -144,7 +144,7 @@ func (s *MmctlE2ETestSuite) TestConfigSetCmd() {
 		s.Require().Equal("mysql", *(config.SqlSettings.DriverName))
 	})
 
-	s.RunForSystemAdminAndLocal("Get error if the key doesn't exists", func(c client.Client) {
+	s.RunForSystemAdminAndLocal("Get error if the key doesn't exist", func(c client.Client) {
 		printer.Clean()
 
 		args := []string{"SqlSettings.WrongKey", "mysql"}

server/cmd/mmctl/commands/config_test.go

@@ -140,7 +140,7 @@ func (s *MmctlUnitTestSuite) TestConfigGetCmd() {
 		s.Require().Len(printer.GetErrorLines(), 0)
 	})
 
-	s.Run("Get error if the key doesn't exists", func() {
+	s.Run("Get error if the key doesn't exist", func() {
 		printer.Clean()
 		args := []string{"SqlSettings.WrongKey"}
 		outputConfig := &model.Config{}
@@ -443,7 +443,7 @@ func (s *MmctlUnitTestSuite) TestConfigSetCmd() {
 		s.Require().Len(printer.GetLines(), 0)
 	})
 
-	s.Run("Get error if the key doesn't exists", func() {
+	s.Run("Get error if the key doesn't exist", func() {
 		printer.Clean()
 		defaultConfig := &model.Config{}
 		defaultConfig.SetDefaults()
@@ -713,7 +713,7 @@ func (s *MmctlUnitTestSuite) TestConfigResetCmd() {
 		s.Require().Len(printer.GetErrorLines(), 0)
 	})
 
-	s.Run("Should fail if the key doesn't exists", func() {
+	s.Run("Should fail if the key doesn't exist", func() {
 		printer.Clean()
 		args := []string{"WrongKey"}
 		defaultConfig := &model.Config{}

server/cmd/mmctl/commands/utils_unix.go

@@ -21,7 +21,7 @@ func checkValidSocket(socketPath string) error {
 	// check file mode and permissions
 	fi, err := os.Stat(socketPath)
 	if err != nil && os.IsNotExist(err) {
-		return fmt.Errorf("socket file %q doesn't exists, please check the server configuration for local mode", socketPath)
+		return fmt.Errorf("socket file %q doesn't exist, please check the server configuration for local mode", socketPath)
 	} else if err != nil {
 		return err
 	}

server/cmd/mmctl/commands/utils_windows.go

@@ -13,7 +13,7 @@ func checkValidSocket(socketPath string) error {
 	// check file mode and permissions
 	fi, err := os.Stat(socketPath)
 	if err != nil && os.IsNotExist(err) {
-		return fmt.Errorf("socket file %q doesn't exists, please check the server configuration for local mode", socketPath)
+		return fmt.Errorf("socket file %q doesn't exist, please check the server configuration for local mode", socketPath)
 	} else if err != nil {
 		return err
 	}