added specs for is-active class

added spec for openPendingTab in component

spec/javascripts/ide/components/commit_sidebar/list_item_spec.js

@@ -90,4 +90,20 @@ describe('Multi-file editor commit sidebar list item', () => {
       });
     });
   });
+
+  describe('is active', () => {
+    it('does not add active class when dont keys match', () => {
+      expect(vm.$el.classList).not.toContain('is-active');
+    });
+
+    it('adds active class when keys match', done => {
+      vm.keyPrefix = 'staged';
+
+      vm.$nextTick(() => {
+        expect(vm.$el.classList).toContain('is-active');
+
+        done();
+      });
+    });
+  });
 });

spec/javascripts/ide/components/repo_commit_section_spec.js

@@ -56,6 +56,8 @@ describe('RepoCommitSection', () => {
       vm.$store.state.entries[f.path] = f;
     });
 
+    spyOn(vm, 'openPendingTab').and.callThrough();
+
     return vm.$mount();
   }
 
@@ -177,5 +179,12 @@ describe('RepoCommitSection', () => {
       expect(store.state.openFiles.length).toBe(1);
       expect(store.state.openFiles[0].pending).toBe(true);
     });
+
+    it('calls openPendingTab', () => {
+      expect(vm.openPendingTab).toHaveBeenCalledWith({
+        file: vm.lastOpenedFile,
+        keyPrefix: 'unstaged',
+      });
+    });
   });
 });