Fixup approval expectation

Author: lukebakken

projects/Unit/APIApproval.Approve.verified.txt

@@ -688,18 +688,22 @@ namespace RabbitMQ.Client.Events
 }
 namespace RabbitMQ.Client.Exceptions
 {
+    [System.Serializable]
     public class AlreadyClosedException : RabbitMQ.Client.Exceptions.OperationInterruptedException
     {
         public AlreadyClosedException(RabbitMQ.Client.ShutdownEventArgs reason) { }
     }
+    [System.Serializable]
     public class AuthenticationFailureException : RabbitMQ.Client.Exceptions.PossibleAuthenticationFailureException
     {
         public AuthenticationFailureException(string msg) { }
     }
+    [System.Serializable]
     public class BrokerUnreachableException : System.IO.IOException
     {
         public BrokerUnreachableException(System.Exception Inner) { }
     }
+    [System.Serializable]
     public class ChannelAllocationException : RabbitMQ.Client.Exceptions.ProtocolViolationException
     {
         public ChannelAllocationException() { }
@@ -712,6 +716,7 @@ namespace RabbitMQ.Client.Exceptions
         public int Channel { get; }
         public override ushort ReplyCode { get; }
     }
+    [System.Serializable]
     public class ConnectFailureException : RabbitMQ.Client.Exceptions.ProtocolViolationException
     {
         public ConnectFailureException(string msg, System.Exception inner) { }
@@ -725,6 +730,7 @@ namespace RabbitMQ.Client.Exceptions
         public MalformedFrameException(string message) { }
         public override ushort ReplyCode { get; }
     }
+    [System.Serializable]
     public class OperationInterruptedException : RabbitMQ.Client.Exceptions.RabbitMQClientException
     {
         protected OperationInterruptedException() { }
@@ -734,6 +740,7 @@ namespace RabbitMQ.Client.Exceptions
         protected OperationInterruptedException(string message, System.Exception inner) { }
         public RabbitMQ.Client.ShutdownEventArgs ShutdownReason { get; set; }
     }
+    [System.Serializable]
     public class PacketNotRecognizedException : RabbitMQ.Client.Exceptions.RabbitMQClientException
     {
         public PacketNotRecognizedException(int transportHigh, int transportLow, int serverMajor, int serverMinor) { }
@@ -742,6 +749,7 @@ namespace RabbitMQ.Client.Exceptions
         public int TransportHigh { get; }
         public int TransportLow { get; }
     }
+    [System.Serializable]
     public class PossibleAuthenticationFailureException : RabbitMQ.Client.Exceptions.RabbitMQClientException
     {
         public PossibleAuthenticationFailureException(string msg) { }
@@ -753,6 +761,7 @@ namespace RabbitMQ.Client.Exceptions
         public abstract ushort ReplyCode { get; }
         public virtual RabbitMQ.Client.ShutdownEventArgs ShutdownReason { get; }
     }
+    [System.Serializable]
     public class ProtocolVersionMismatchException : RabbitMQ.Client.Exceptions.ProtocolViolationException
     {
         public ProtocolVersionMismatchException(int clientMajor, int clientMinor, int serverMajor, int serverMinor) { }
@@ -761,12 +770,14 @@ namespace RabbitMQ.Client.Exceptions
         public int ServerMajor { get; }
         public int ServerMinor { get; }
     }
+    [System.Serializable]
     public class ProtocolViolationException : RabbitMQ.Client.Exceptions.RabbitMQClientException
     {
         public ProtocolViolationException() { }
         public ProtocolViolationException(string message) { }
         public ProtocolViolationException(string message, System.Exception inner) { }
     }
+    [System.Serializable]
     public abstract class RabbitMQClientException : System.Exception
     {
         protected RabbitMQClientException() { }
@@ -791,6 +802,7 @@ namespace RabbitMQ.Client.Exceptions
     {
         public override ushort ReplyCode { get; }
     }
+    [System.Serializable]
     public class UnexpectedMethodException : RabbitMQ.Client.Exceptions.ProtocolViolationException
     {
         public UnexpectedMethodException(RabbitMQ.Client.IMethod method) { }
@@ -804,17 +816,20 @@ namespace RabbitMQ.Client.Exceptions
         public override ushort ReplyCode { get; }
         public override string ToString() { }
     }
+    [System.Serializable]
     public class UnsupportedMethodException : System.NotSupportedException
     {
         public UnsupportedMethodException(string methodName) { }
         public string MethodName { get; }
     }
+    [System.Serializable]
     public class UnsupportedMethodFieldException : System.NotSupportedException
     {
         public UnsupportedMethodFieldException(string methodName, string fieldName) { }
         public string FieldName { get; }
         public string MethodName { get; }
     }
+    [System.Serializable]
     public class WireFormattingException : RabbitMQ.Client.Exceptions.ProtocolViolationException
     {
         public WireFormattingException(string message) { }