Fix API approval test: IEvent inherits from IMessage

nuget.config

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <packageSources>
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />

src/ServiceControl.Contracts.Tests/ApprovalFiles/APIApprovals.PublicClr.approved.txt

@@ -1,6 +1,6 @@
 namespace ServiceControl.Contracts
 {
-    public class CustomCheckFailed
+    public class CustomCheckFailed : NServiceBus.IEvent
     {
         public CustomCheckFailed() { }
         public string Category { get; set; }
@@ -11,7 +11,7 @@ namespace ServiceControl.Contracts
         public string Host { get; set; }
         public System.Guid HostId { get; set; }
     }
-    public class CustomCheckSucceeded
+    public class CustomCheckSucceeded : NServiceBus.IEvent
     {
         public CustomCheckSucceeded() { }
         public string Category { get; set; }
@@ -21,25 +21,25 @@ namespace ServiceControl.Contracts
         public System.Guid HostId { get; set; }
         public System.DateTime SucceededAt { get; set; }
     }
-    public class FailedMessagesArchived
+    public class FailedMessagesArchived : NServiceBus.IEvent
     {
         public FailedMessagesArchived() { }
         public string[] FailedMessagesIds { get; set; }
     }
-    public class FailedMessagesUnArchived
+    public class FailedMessagesUnArchived : NServiceBus.IEvent
     {
         public FailedMessagesUnArchived() { }
         public string[] FailedMessagesIds { get; set; }
     }
-    public class HeartbeatRestored
+    public class HeartbeatRestored : NServiceBus.IEvent
     {
         public HeartbeatRestored() { }
         public string EndpointName { get; set; }
         public string Host { get; set; }
         public System.Guid HostId { get; set; }
         public System.DateTime RestoredAt { get; set; }
     }
-    public class HeartbeatStopped
+    public class HeartbeatStopped : NServiceBus.IEvent
     {
         public HeartbeatStopped() { }
         public System.DateTime DetectedAt { get; set; }
@@ -48,12 +48,12 @@ namespace ServiceControl.Contracts
         public System.Guid HostId { get; set; }
         public System.DateTime LastReceivedAt { get; set; }
     }
-    public class MessageEditedAndRetried
+    public class MessageEditedAndRetried : NServiceBus.IEvent
     {
         public MessageEditedAndRetried() { }
         public string FailedMessageId { get; set; }
     }
-    public class MessageFailed
+    public class MessageFailed : NServiceBus.IEvent
     {
         public MessageFailed() { }
         public string FailedMessageId { get; set; }
@@ -101,13 +101,13 @@ namespace ServiceControl.Contracts
             RepeatedFailure = 2,
         }
     }
-    public class MessageFailureResolvedByRetry
+    public class MessageFailureResolvedByRetry : NServiceBus.IEvent
     {
         public MessageFailureResolvedByRetry() { }
         public string[] AlternativeFailedMessageIds { get; set; }
         public string FailedMessageId { get; set; }
     }
-    public class MessageFailureResolvedManually
+    public class MessageFailureResolvedManually : NServiceBus.IEvent
     {
         public MessageFailureResolvedManually() { }
         public string FailedMessageId { get; set; }

src/ServiceControl.Contracts/CustomCheckFailed.cs

@@ -1,11 +1,12 @@
 namespace ServiceControl.Contracts
 {
     using System;
+    using NServiceBus;
 
     /// <summary>
     /// Event emitted when a custom check fails.
     /// </summary>
-    public class CustomCheckFailed
+    public class CustomCheckFailed : IEvent
     {
         /// <summary>
         /// The id for the custom check provided by the user.

src/ServiceControl.Contracts/CustomCheckSucceeded.cs

@@ -1,11 +1,12 @@
 namespace ServiceControl.Contracts
 {
     using System;
+    using NServiceBus;
 
     /// <summary>
     /// Event emitted when a custom check passes.
     /// </summary>
-    public class CustomCheckSucceeded
+    public class CustomCheckSucceeded : IEvent
     {
         /// <summary>
         /// The id for the custom check provided by the user.

src/ServiceControl.Contracts/FailedMessagesArchived.cs

@@ -1,9 +1,11 @@
 namespace ServiceControl.Contracts
 {
+    using NServiceBus;
+
     /// <summary>
     /// Event emitted when failed message that are archived
     /// </summary>
-    public class FailedMessagesArchived
+    public class FailedMessagesArchived : IEvent
     {
         /// <summary>
         /// A list of the unique identifiers of the messages that failed that were archived

src/ServiceControl.Contracts/FailedMessagesUnArchived.cs

@@ -1,9 +1,11 @@
 namespace ServiceControl.Contracts
 {
+    using NServiceBus;
+
     /// <summary>
     /// Event emitted for failed messages that were unarchived
     /// </summary>
-    public class FailedMessagesUnArchived
+    public class FailedMessagesUnArchived : IEvent
     {
         /// <summary>
         /// A list of the unique identifiers of the messages that failed and were unarchived

src/ServiceControl.Contracts/HeartbeatRestored.cs

@@ -1,11 +1,12 @@
 namespace ServiceControl.Contracts
 {
     using System;
+    using NServiceBus;
 
     /// <summary>
     /// Event emitted when ServiceControl detects lack of heartbeat from one of monitored endpoints.
     /// </summary>
-    public class HeartbeatRestored
+    public class HeartbeatRestored : IEvent
     {
         /// <summary>
         /// The date and time the heartbeat been again detected by ServiceControl.

src/ServiceControl.Contracts/HeartbeatStopped.cs

@@ -1,11 +1,12 @@
 namespace ServiceControl.Contracts
 {
     using System;
+    using NServiceBus;
 
     /// <summary>
     /// Event emitted when ServiceControl detects lack of heartbeat from one of monitored endpoints.
     /// </summary>
-    public class HeartbeatStopped
+    public class HeartbeatStopped : IEvent
     {
         /// <summary>
         /// The date and time last heartbeat has been received from the endpoint.

src/ServiceControl.Contracts/MessageEditedAndRetried.cs

@@ -1,9 +1,11 @@
 namespace ServiceControl.Contracts
 {
+    using NServiceBus;
+
     /// <summary>
     /// Event emitted by ServiceControl when edit-and-retry feature is used.
     /// </summary>
-    public class MessageEditedAndRetried
+    public class MessageEditedAndRetried : IEvent
     {
         /// <summary>
         /// The unique identifier of the message that was edited

src/ServiceControl.Contracts/MessageFailed.cs

@@ -2,11 +2,12 @@
 {
     using System;
     using System.Collections.Generic;
+    using NServiceBus;
 
     /// <summary>
     /// Event emitted for each message that ServiceControl detects as failed
     /// </summary>
-    public class MessageFailed
+    public class MessageFailed : IEvent
     {
         /// <summary>
         /// The unique identifier for this failure generated by the ServiceControl

src/ServiceControl.Contracts/MessageFailureResolvedByRetry.cs

@@ -1,9 +1,11 @@
 namespace ServiceControl.Contracts
 {
+    using NServiceBus;
+
     /// <summary>
     /// Event emitted by ServiceControl for each failed message that was resolved by retry
     /// </summary>
-    public class MessageFailureResolvedByRetry
+    public class MessageFailureResolvedByRetry : IEvent
     {
         /// <summary>
         /// The unique identifier of the message that failed and was resolved by retry

src/ServiceControl.Contracts/MessageFailureResolvedManually.cs

@@ -1,10 +1,12 @@
 namespace ServiceControl.Contracts
 {
+    using NServiceBus;
+
     /// <summary>
     /// Event emitted by ServiceControl for each failed message that was resolved manually
     /// </summary>
 
-    public class MessageFailureResolvedManually
+    public class MessageFailureResolvedManually : IEvent
     {
         /// <summary>
         /// The unique identifier of the message that failed and was resolved manually

src/ServiceControl.Contracts/ServiceControl.Contracts.csproj

@@ -7,6 +7,10 @@
     <AssemblyOriginatorKeyFile>..\ServiceControl.Contracts.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="NServiceBus.MessageInterfaces" Version="1.0.0" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="Particular.Packaging" Version="4.5.0" PrivateAssets="All" />
   </ItemGroup>