Added RSpec tests to increase code coverage (Application Controller) (#320)

* <Added applications controller spec>

* <Fixed code style>

* <testing for issues with travis ci>

* <added potential ci fix>

* <added potential ci fix>

* <added potential ci fix>

spec/controllers/application_controller_spec.rb

@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+#
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+#
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+
+require "rails_helper"
+
+describe ApplicationController, type: :controller do
+  describe "Application Controller Tests" do
+    before { allow(Rails.configuration).to receive(:recording_thumbnails).and_return(true) }
+    before { allow(Rails.configuration).to receive(:bigbluebutton_endpoint).and_return(:defaultBBBendpoint) }
+    before { allow(Rails.configuration).to receive(:bigbluebutton_endpoint_default).and_return(:defaultBBBendpoint) }
+
+    it "verifies if recording thumnails exist" do
+      expect(controller.recording_thumbnails?).to eq(true)
+    end
+
+    it "verifies if bigbluebutton endpoint is default" do
+      expect(controller.bigbluebutton_endpoint_default?).to eq(true)
+    end
+
+    it "Returns meeting name limit" do
+      expect(controller.meeting_name_limit).to eq(90)
+    end
+
+    it "Returns user name limit" do
+      expect(controller.user_name_limit).to eq(32)
+    end
+
+    it "Returns relative root" do
+      expect(controller.relative_root).to eq("")
+    end
+  end
+end