Fixed a logic error with removing benchmarks from a test; cleaned up some linter errors

views/test/edit.erb

@@ -28,7 +28,7 @@
         <label for="test_benchmarks">Benchmarks</label>
         <select id="test_benchmarks" class="form-select" name="test_benchmarks[]" multiple>
           <% for b in benchmarks %>
-            <option value="<%= b.id %>" <% if test.has_benchmark(b.id) %>selected<% end %>><%= b.name %></option>
+            <option value="<%= b.id %>" <% if test.benchmark?(b.id) %>selected<% end %>><%= b.name %></option>
             <% end %>
         </select>
       </div>