public DbContext Resolve<T>(IEnumerable<DbContext> dbContexts) where T: class
{
    foreach (var dbContext in dbContexts)
    {
        var type = dbContext.GetType();
        var properties = type.GetProperties();
        foreach (var property in properties)
        {
            if (property.PropertyType == typeof (DbSet<T>))
            {
                return dbContext;
            }
        }
    }

	return null;
}