Test share textarea not to leak into note text on reactivation

test/system/resolve_note_test.rb

@@ -0,0 +1,36 @@
+require "application_system_test_case"
+
+class ResolveNoteTest < ApplicationSystemTestCase
+  test "can resolve an open note" do
+    note = create(:note_with_comments)
+    user = create(:user)
+    sign_in_as(user)
+    visit note_path(note)
+
+    within_sidebar do
+      assert_button "Resolve"
+      assert_no_button "Reactivate"
+
+      click_on "Resolve"
+
+      assert_content "Resolved note ##{note.id}"
+    end
+  end
+
+  test "can reactivate a closed note" do
+    note = create(:note_with_comments, :closed)
+    user = create(:user)
+    sign_in_as(user)
+    visit note_path(note)
+
+    within_sidebar do
+      assert_no_button "Resolve"
+      assert_button "Reactivate"
+
+      click_on "Reactivate"
+
+      assert_content "Unresolved note ##{note.id}"
+      assert_no_content "<iframe" # leak from share textarea
+    end
+  end
+end