remove unused tests

but tests MUST be written in the future!

test/application_system_test_case.rb

@@ -1,5 +0,0 @@
-require "test_helper"
-
-class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
-  driven_by :selenium, using: :headless_chrome, screen_size: [ 1400, 1400 ]
-end

test/controllers/moods_controller_test.rb

@@ -1,7 +0,0 @@
-require "test_helper"
-
-class MoodsControllerTest < ActionDispatch::IntegrationTest
-  # test "the truth" do
-  #   assert true
-  # end
-end

test/controllers/rfid_tags_controller_test.rb

@@ -1,8 +0,0 @@
-require "test_helper"
-
-class RfidTagsControllerTest < ActionDispatch::IntegrationTest
-  test "should get post" do
-    get rfid_tags_post_url
-    assert_response :success
-  end
-end

test/fixtures/moods.yml

@@ -1,9 +0,0 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
-
-one:
-  mode: MyString
-  recorded_at: 2025-07-07 11:03:44
-
-two:
-  mode: MyString
-  recorded_at: 2025-07-07 11:03:44

test/fixtures/rfid_tags.yml

@@ -1,9 +0,0 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
-
-one:
-  identifier: MyString
-  mode: MyString
-
-two:
-  identifier: MyString
-  mode: MyString

test/models/mood_test.rb

@@ -1,7 +0,0 @@
-require "test_helper"
-
-class MoodTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
-end

test/models/rfid_tag_test.rb

@@ -1,7 +0,0 @@
-require "test_helper"
-
-class RfidTagTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
-end

test/test_helper.rb

@@ -1,15 +0,0 @@
-ENV["RAILS_ENV"] ||= "test"
-require_relative "../config/environment"
-require "rails/test_help"
-
-module ActiveSupport
-  class TestCase
-    # Run tests in parallel with specified workers
-    parallelize(workers: :number_of_processors)
-
-    # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
-    fixtures :all
-
-    # Add more helper methods to be used by all tests here...
-  end
-end