Fix account page forms & add account actions rspec

#5

app/models/user.rb

@@ -2,14 +2,15 @@
 #
 # Table name: users
 #
-#  id              :integer          not null, primary key
-#  admin           :boolean          default(FALSE), not null
-#  email_address   :string           not null
-#  lang            :string           default("en")
-#  password_digest :string           not null
-#  username        :string
-#  created_at      :datetime         not null
-#  updated_at      :datetime         not null
+#  id                      :integer          not null, primary key
+#  admin                   :boolean          default(FALSE), not null
+#  email_address           :string           not null
+#  lang                    :string           default("en")
+#  password_change_attempt :boolean
+#  password_digest         :string           not null
+#  username                :string
+#  created_at              :datetime         not null
+#  updated_at              :datetime         not null
 #
 # Indexes
 #
@@ -25,4 +26,5 @@ class User < ApplicationRecord
   validates :username, presence: true, uniqueness: true
   validates :email_address, presence: true, uniqueness: true
   validates :lang, inclusion: { in: Languages::AVAILABLE_LANGUAGES.map { |lang| lang[:id] } }
+  validates :password, presence: true, if: -> { password_change_attempt }
 end