Fixes some tests

Since Ruby 3 passing method argumentes changed. A Hash won't be
converted to a keyword argument anymore. Therefore, keyword argumentes
needs to be entered explicitly by default. To keep the behaviour double
splat needs to be added to hash arguments.

See https://www.ruby-lang.org/en/news/2019/12/12/separation-of-positional-and-keyword-arguments-in-ruby-3-0/

Author: liaham

test/integration/macro_dialog_test.rb

@@ -25,14 +25,14 @@ def teardown
     end
 
     test 'render macro diaglog without svg' do
-      with_settings(redmine_drawio({ drawio_svg_enabled: false })) do
+      with_settings(redmine_drawio(**{ drawio_svg_enabled: false })) do
         render_marcro_dialog
         assert_select 'input[value=?]', 'svg', 0
       end
     end
 
     test 'render macro diaglog with svg' do
-      with_settings(redmine_drawio({ drawio_svg_enabled: true })) do
+      with_settings(redmine_drawio(**{ drawio_svg_enabled: true })) do
         render_marcro_dialog
         assert_select 'input[value=?]', 'svg'
       end

test/unit/drawio_settings_helper_test.rb

@@ -14,13 +14,13 @@ def teardown
     end
 
     def test_svg_disabled
-      with_settings(redmine_drawio({ drawio_svg_enabled: false })) do
+      with_settings(redmine_drawio(**{ drawio_svg_enabled: false })) do
         assert_not svg_enabled?
       end
     end
 
     def test_svg_enabled
-      with_settings(redmine_drawio({ drawio_svg_enabled: true })) do
+      with_settings(redmine_drawio(**{ drawio_svg_enabled: true })) do
         assert svg_enabled?
       end
     end