Fix failed tests and add extra test

app/assets/javascripts/boards/stores/boards_store.js

@@ -167,9 +167,7 @@ const boardsStore = {
     return filteredList[0];
   },
   findListByLabelId(id) {
-    return this.state.lists.find(list => {
-      return list.type === 'label' && list.label.id === id;
-    });
+    return this.state.lists.find(list => list.type === 'label' && list.label.id === id);
   },
   updateFiltersUrl() {
     window.history.pushState(null, null, `?${this.filter.path}`);

app/assets/javascripts/labels_select.js

@@ -170,7 +170,7 @@ export default class LabelsSelect {
           axios
             .get(labelUrl)
             .then(res => {
-              let data = res.data;
+              let { data } = res;
               if ($dropdown.hasClass('js-extra-options')) {
                 var extraData = [];
                 if (showNo) {
@@ -256,7 +256,8 @@ export default class LabelsSelect {
             }
           }
           if (label.color) {
-            colorEl = "<span class='dropdown-label-box' style='background: " + label.color + "'></span>";
+            colorEl =
+              "<span class='dropdown-label-box' style='background: " + label.color + "'></span>";
           } else {
             colorEl = '';
           }

spec/javascripts/boards/boards_store_spec.js

@@ -65,6 +65,13 @@ describe('Store', () => {
       expect(list).toBeDefined();
     });
 
+    it('finds list by label ID', () => {
+      boardsStore.addList(listObj);
+      const list = boardsStore.findListByLabelId(listObj.label.id);
+
+      expect(list.id).toBe(listObj.id);
+    });
+
     it('gets issue when new list added', done => {
       boardsStore.addList(listObj);
       const list = boardsStore.findList('id', listObj.id);

spec/javascripts/boards/issue_spec.js

@@ -55,15 +55,27 @@ describe('Issue model', () => {
     expect(issue.labels.length).toBe(2);
   });
 
-  it('does not add existing label', () => {
+  it('does not add label if label id exists', () => {
+    issue.addLabel({
+      id: 1,
+      title: 'test 2',
+      color: 'blue',
+      description: 'testing',
+    });
+
+    expect(issue.labels.length).toBe(1);
+    expect(issue.labels[0].color).toBe('red');
+  });
+
+  it('adds other label with same title', () => {
     issue.addLabel({
       id: 2,
       title: 'test',
       color: 'blue',
-      description: 'bugs!',
+      description: 'other test',
     });
 
-    expect(issue.labels.length).toBe(1);
+    expect(issue.labels.length).toBe(2);
   });
 
   it('finds label', () => {