fix failing spec

app/helpers/snippets_helper.rb

@@ -126,7 +126,7 @@ module SnippetsHelper
                      raw_project_snippet_url(@snippet.project, @snippet, inline: false)
                    end
 
-    link_to external_snippet_icon('download'), download_url, class: 'btn', target: '_blank', title: 'Download', data: { container: 'body' }, rel: 'noopener noreferrer'
+    link_to external_snippet_icon('download'), download_url, class: 'btn', target: '_blank', title: 'Download', rel: 'noopener noreferrer'
   end
 
   def public_snippet?

spec/helpers/snippets_helper_spec.rb

@@ -7,13 +7,13 @@ describe SnippetsHelper do
     it 'gives view raw button of embedded snippets for project snippets' do
       @snippet = create(:project_snippet, :public)
 
-      expect(embedded_snippet_raw_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Open raw\" data-container=\"body\" href=\"#{raw_project_snippet_url(@snippet.project, @snippet)}\">#{external_snippet_icon('doc_code')}</a>")
+      expect(embedded_snippet_raw_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Open raw\" href=\"#{raw_project_snippet_url(@snippet.project, @snippet)}\">#{external_snippet_icon('doc_code')}</a>")
     end
 
     it 'gives view raw button of embedded snippets for personal snippets' do
       @snippet = create(:personal_snippet, :public)
 
-      expect(embedded_snippet_raw_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Open raw\" data-container=\"body\" href=\"#{raw_snippet_url(@snippet)}\">#{external_snippet_icon('doc_code')}</a>")
+      expect(embedded_snippet_raw_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Open raw\" href=\"#{raw_snippet_url(@snippet)}\">#{external_snippet_icon('doc_code')}</a>")
     end
   end
 
@@ -21,13 +21,13 @@ describe SnippetsHelper do
     it 'gives download button of embedded snippets for project snippets' do
       @snippet = create(:project_snippet, :public)
 
-      expect(embedded_snippet_download_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" title=\"Download\" data-container=\"body\" rel=\"noopener noreferrer\" href=\"#{raw_project_snippet_url(@snippet.project, @snippet, inline: false)}\">#{external_snippet_icon('download')}</a>")
+      expect(embedded_snippet_download_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" title=\"Download\" rel=\"noopener noreferrer\" href=\"#{raw_project_snippet_url(@snippet.project, @snippet, inline: false)}\">#{external_snippet_icon('download')}</a>")
     end
 
     it 'gives download button of embedded snippets for personal snippets' do
       @snippet = create(:personal_snippet, :public)
 
-      expect(embedded_snippet_download_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" title=\"Download\" data-container=\"body\" rel=\"noopener noreferrer\" href=\"#{raw_snippet_url(@snippet, inline: false)}\">#{external_snippet_icon('download')}</a>")
+      expect(embedded_snippet_download_button.to_s).to eq("<a class=\"btn\" target=\"_blank\" title=\"Download\" rel=\"noopener noreferrer\" href=\"#{raw_snippet_url(@snippet, inline: false)}\">#{external_snippet_icon('download')}</a>")
     end
   end
 end