Fix diff tests

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

features/steps/shared/diff_note.rb

@@ -2,7 +2,7 @@ module SharedDiffNote
   include Spinach::DSL
   Given 'I cancel the diff comment' do
-    within(".file") do
+    within(".diff-file") do
       find(".js-close-discussion-note-form").click
     end
   end
@@ -13,14 +13,14 @@ module SharedDiffNote
   end
   Given 'I haven\'t written any diff comment text' do
-    within(".file") do
+    within(".diff-file") do
       fill_in "note[note]", with: ""
     end
   end
   Given 'I leave a diff comment like "Typo, please fix"' do
     find('a[data-line-code="586fb7c4e1add2d4d24e27566ed7064680098646_29_14"]').click
-    within(".file form[rel$='586fb7c4e1add2d4d24e27566ed7064680098646_29_14']") do
+    within(".diff-file form[rel$='586fb7c4e1add2d4d24e27566ed7064680098646_29_14']") do
       fill_in "note[note]", with: "Typo, please fix"
       find(".js-comment-button").trigger("click")
       sleep 0.05
@@ -29,7 +29,7 @@ module SharedDiffNote
   Given 'I preview a diff comment text like "Should fix it :smile:"' do
     find('a[data-line-code="586fb7c4e1add2d4d24e27566ed7064680098646_29_14"]').click
-    within(".file form[rel$='586fb7c4e1add2d4d24e27566ed7064680098646_29_14']") do
+    within(".diff-file form[rel$='586fb7c4e1add2d4d24e27566ed7064680098646_29_14']") do
       fill_in "note[note]", with: "Should fix it :smile:"
       find(".js-note-preview-button").trigger("click")
     end
@@ -38,7 +38,7 @@ module SharedDiffNote
   Given 'I preview another diff comment text like "DRY this up"' do
     find('a[data-line-code="586fb7c4e1add2d4d24e27566ed7064680098646_57_41"]').click
-    within(".file form[rel$='586fb7c4e1add2d4d24e27566ed7064680098646_57_41']") do
+    within(".diff-file form[rel$='586fb7c4e1add2d4d24e27566ed7064680098646_57_41']") do
       fill_in "note[note]", with: "DRY this up"
       find(".js-note-preview-button").trigger("click")
     end
@@ -53,13 +53,13 @@ module SharedDiffNote
   end
   Given 'I write a diff comment like ":-1: I don\'t like this"' do
-    within(".file") do
+    within(".diff-file") do
       fill_in "note[note]", with: ":-1: I don\'t like this"
     end
   end
   Given 'I submit the diff comment' do
-    within(".file") do
+    within(".diff-file") do
       click_button("Add Comment")
     end
   end
@@ -67,49 +67,49 @@ module SharedDiffNote
   Then 'I should not see the diff comment form' do
-    within(".file") do
+    within(".diff-file") do
       page.should_not have_css("form.new_note")
     end
   end
   Then 'I should not see the diff comment preview button' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css(".js-note-preview-button", visible: false)
     end
   end
   Then 'I should not see the diff comment text field' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css(".js-note-text", visible: false)
     end
   end
   Then 'I should only see one diff form' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css("form.new_note", count: 1)
     end
   end
   Then 'I should see a diff comment form with ":-1: I don\'t like this"' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_field("note[note]", with: ":-1: I don\'t like this")
     end
   end
   Then 'I should see a diff comment saying "Typo, please fix"' do
-    within(".file .note") do
+    within(".diff-file .note") do
       page.should have_content("Typo, please fix")
     end
   end
   Then 'I should see a discussion reply button' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_link("Reply")
     end
   end
   Then 'I should see a temporary diff comment form' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css(".js-temp-notes-holder form.new_note")
     end
   end
@@ -119,37 +119,37 @@ module SharedDiffNote
   end
   Then 'I should see an empty diff comment form' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_field("note[note]", with: "")
     end
   end
   Then 'I should see the cancel comment button' do
-    within(".file form") do
+    within(".diff-file form") do
       page.should have_css(".js-close-discussion-note-form", text: "Cancel")
     end
   end
   Then 'I should see the diff comment preview' do
-    within(".file form") do
+    within(".diff-file form") do
       page.should have_css(".js-note-preview", visible: false)
     end
   end
   Then 'I should see the diff comment edit button' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css(".js-note-edit-button", visible: true)
     end
   end
   Then 'I should see the diff comment preview button' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css(".js-note-preview-button", visible: true)
     end
   end
   Then 'I should see two separate previews' do
-    within(".file") do
+    within(".diff-file") do
       page.should have_css(".js-note-preview", visible: true, count: 2)
       page.should have_content("Should fix it")
       page.should have_content("DRY this up")