Improve English of exceptions.

Author: iscottb122

src/Winton.DomainModelling.DocumentDb/EntityFacade.cs

@@ -32,7 +32,7 @@ public EntityFacade(Database database, DocumentCollection documentCollection, ID
         {
             if (documentCollection.PartitionKey.Paths.Any())
             {
-                throw new NotSupportedException("Partitioned collections not supported.");
+                throw new NotSupportedException("Partitioned collections are not supported.");
             }
 
             _database = database;
@@ -136,7 +136,7 @@ public async Task<TEntity> Upsert<TEntity, TEntityId>(TEntity entity)
         {
             if (Equals(entity.Id, default(TEntityId)))
             {
-                throw new NotSupportedException("Upserting with default ID not supported.");
+                throw new NotSupportedException("Upserting with default ID is not supported.");
             }
 
             var document = new EntityDocument<TEntity, TEntityId>(entity);

src/Winton.DomainModelling.DocumentDb/ValueObjectFacade.cs

@@ -33,7 +33,7 @@ public ValueObjectFacade(
         {
             if (documentCollection.PartitionKey.Paths.Any())
             {
-                throw new NotSupportedException("Partitioned collections not supported.");
+                throw new NotSupportedException("Partitioned collections are not supported.");
             }
 
             _database = database;

test/Winton.DomainModelling.DocumentDb.IntegrationTests/EntityFacadeTests.cs

@@ -244,7 +244,7 @@ private void ShouldThrowIfIdUnset()
                 Func<Task> action = _entityFacade.Awaiting(ef => ef.Upsert<TestEntity, EntityId>(entity));
 
                 action.Should().Throw<NotSupportedException>()
-                      .WithMessage("Upserting with default ID not supported.");
+                      .WithMessage("Upserting with default ID is not supported.");
             }
 
             [Fact]

test/Winton.DomainModelling.DocumentDb.Tests/EntityFacadeTests.cs

@@ -38,7 +38,7 @@ private void ShouldThrowIfPartitionKeyIsSpecified()
                 Action constructing = Constructing(() => new EntityFacade(null, documentCollection, null));
 
                 constructing.Should().Throw<NotSupportedException>()
-                            .WithMessage("Partitioned collections not supported.");
+                            .WithMessage("Partitioned collections are not supported.");
             }
         }
     }

test/Winton.DomainModelling.DocumentDb.Tests/ValueObjectFacadeTests.cs

@@ -38,7 +38,7 @@ private void ShouldThrowIfPartitionKeyIsSpecified()
                 Action constructing = Constructing(() => new ValueObjectFacade(null, documentCollection, null));
 
                 constructing.Should().Throw<NotSupportedException>()
-                            .WithMessage("Partitioned collections not supported.");
+                            .WithMessage("Partitioned collections are not supported.");
             }
         }
     }