Add behat tests for admin UI

Author: Menrath

tests/behat/theme_boost_union_scss_snippets.feature

@@ -0,0 +1,36 @@
+@theme @theme_boost_union @theme_boost_union_smartmenusettings @theme_boost_union_smartmenusettings_menuitems @theme_boost_union_scss_snippets
+Feature: Configuring the theme_boost_union plugin on the "SCSS Snippets" page.
+  In order to use the features
+  As admin
+  I need to be able to configure the theme Boost Union plugin
+
+  @javascript
+  Scenario: SCSS snippets: Overview page when no snippet sources are enabled.
+    When I log in as "admin"
+    And I navigate to "Appearance > Boost Union > SCSS snippets" in site administration
+    Then I should see "There aren't any SCSS snippets which can be used"
+
+  @javascript
+  Scenario: SCSS snippets: Overview page when builtin-snippets are enabled.
+    Given the following config values are set as admin:
+      | config                | value | plugin            |
+      | enablebuiltinsnippets | yes   | theme_boost_union |
+    When I log in as "admin"
+    And I navigate to "Appearance > Boost Union > SCSS snippets" in site administration
+    Then I should not see "There aren't any SCSS snippets which can be used"
+    And I should see "Rainbow navbar"
+
+  @javascript @_file_upload
+  Scenario: SCSS snippets: Overview page with uploaded snippets.
+    Given the following config values are set as admin:
+      | config                 | value | plugin            |
+      | enableuploadedsnippets | yes   | theme_boost_union |
+    When I log in as "admin"
+    And I navigate to "Appearance > Boost Union > SCSS snippets" in site administration
+    Then I should see "There aren't any SCSS snippets which can be used"
+    And I click on "Settings" "link" in the "#region-main .nav-tabs" "css_element"
+    And I upload "theme/boost_union/tests/fixtures/snippets.zip" file to "Upload snippets" filemanager
+    And I press "Save changes"
+    And I click on "Overview" "link" in the "#region-main .nav-tabs" "css_element"
+    Then I should not see "There aren't any SCSS snippets which can be used"
+    And I should see "Darken hover background color in secondary menu items"