"bundle exec rspec" RSpecのテストコードを利用したテストを実行する際にエラーが出てしまう

##$ bundle exec rspecが実行できない

下記コマンドを実行する際に、

$ bundle exec rspec

Book:pictweet_exam2 YUKI$ bundle exec rspec
Unsupported rails environment for compass

An error occurred while loading ./spec/models/user_spec.rb.
Failure/Error:
  class User < ActiveRecord::Base
    # Include default devise modules. Others available are:
    # :confirmable, :lockable, :timeoutable and :omniauthable
    devise :database_authenticatable, :registerable,
           :recoverable, :rememberable, :trackable, :validatable
    has_many :tweets
  
    validates :nickname, presence: true, length: { maximum: 6 }

ActiveRecord::AdapterNotSpecified:
  'test' database is not configured. Available: ["default", "development"]
# ./app/models/user.rb:1:in `<top (required)>'
# ./config/routes.rb:2:in `block in <top (required)>'
# ./config/routes.rb:1:in `<top (required)>'
# ./config/environment.rb:5:in `<top (required)>'
# ./spec/rails_helper.rb:4:in `require'
# ./spec/rails_helper.rb:4:in `<top (required)>'
# ./spec/models/user_spec.rb:1:in `require'
# ./spec/models/user_spec.rb:1:in `<top (required)>'
No examples found.

Finished in 0.00046 seconds (files took 5.97 seconds to load)
0 examples, 0 failures, 1 error occurred outside of examples

とのエラーが出てしまう。

もちろんgemはしっかり記述、、bundle installはできている

エラーメッセージの中の、

'test' database is not configured. Available: ["default", "development"]

のが怪しそうと検索、testdatabaseを確認するも、、、

ちゃんとある、、

##database.ymlの確認

testの記述のインデントが問題でした、、

##解決

なんて単純なの、、
でもエラーメッセージにヒントが出てこないので、随分と時間がかかってしまった。

Book:pictweet_exam2 YUKI$ bundle exec rspec
Unsupported rails environment for compass

User
  #create
    is invalid without a nickname

Finished in 0.00736 seconds (files took 7.8 seconds to load)
1 example, 0 failures