Address some code smells

Framework/BaseTest/SoftAssertException.cs

@@ -12,6 +12,7 @@ namespace Magenic.Maqs.BaseTest
     /// <summary>
     /// Soft assert exceptions
     /// </summary>
+    [Serializable]
     public class SoftAssertException : Exception
     {
         /// <summary>

Framework/FrameworkUnitTests/MoqMailFolder.cs

@@ -73,7 +73,7 @@ class MoqMailFolder : IMailFolder
         public int Count => throw new NotImplementedException();
 
         public HashSet<ThreadingAlgorithm> ThreadingAlgorithms => throw new NotImplementedException();
-
+#pragma warning disable 0067
         public event EventHandler<EventArgs> Opened;
         public event EventHandler<EventArgs> Closed;
         public event EventHandler<EventArgs> Deleted;
@@ -96,6 +96,7 @@ class MoqMailFolder : IMailFolder
         public event EventHandler<EventArgs> CountChanged;
         public event EventHandler<EventArgs> RecentChanged;
         public event EventHandler<EventArgs> UnreadChanged;
+#pragma warning restore 0067
 
         public void AddAccessRights(string name, AccessRights rights, CancellationToken cancellationToken = default)
         {

Framework/Utilities/Helper/MaqsConfigException.cs

@@ -1,10 +1,12 @@
 using System;
+using System.Runtime.Serialization;
 
 namespace Magenic.Maqs.Utilities.Helper
 {
     /// <summary>
     /// Definition of exceptions which will be thrown when there is a problem with loading elements of the MAQS app.config
     /// </summary>
+    [Serializable]
     public class MaqsConfigException : Exception
     {
         /// <summary>
@@ -14,5 +16,23 @@ public class MaqsConfigException : Exception
         public MaqsConfigException(string message) : base(message)
         {
         }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MaqsConfigException" /> class
+        /// </summary>
+        /// <param name="message">The message that describes the error</param>
+        /// <param name="innerException">The exception that is the cause of the current exception</param>
+        public MaqsConfigException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MaqsConfigException" /> class
+        /// </summary>
+        /// <param name="info">The serialization information object that holds the serialized object data about the exception being thrown</param>
+        /// <param name="context">The serialization streaming context</param>
+        protected MaqsConfigException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+        }
     }
 }

Framework/Utilities/Logging/MaqsLoggingConfigException.cs

@@ -1,10 +1,12 @@
 using System;
+using System.Runtime.Serialization;
 
 namespace Magenic.Maqs.Utilities.Helper
 {
     /// <summary>
     /// Definition of exceptions which will be thrown when there is a problem with loading elements of the MAQS app.config
     /// </summary>
+    [Serializable]
     public class MaqsLoggingConfigException : Exception
     {
         /// <summary>
@@ -14,5 +16,23 @@ public class MaqsLoggingConfigException : Exception
         public MaqsLoggingConfigException(string message) : base(message)
         {
         }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MaqsLoggingConfigException" /> class
+        /// </summary>
+        /// <param name="message">The message that describes the error</param>
+        /// <param name="innerException">The exception that is the cause of the current exception</param>
+        public MaqsLoggingConfigException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MaqsLoggingConfigException" /> class
+        /// </summary>
+        /// <param name="info">The serialization information object that holds the serialized object data about the exception being thrown</param>
+        /// <param name="context">The serialization streaming context</param>
+        protected MaqsLoggingConfigException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+        }
     }
 }