Reformat code with Prettier v2.1.0

This changed formatting of integer values as object keys.

src/sidebar/store/modules/test/selection-test.js

@@ -194,7 +194,7 @@ describe('sidebar/store/modules/selection', () => {
 
       const selection = store.threadState().selection;
 
-      assert.deepEqual(selection.expanded, { '3': true, '4': false });
+      assert.deepEqual(selection.expanded, { 3: true, 4: false });
       assert.deepEqual(selection.selected, ['1', '2']);
     });
 

src/sidebar/util/test/build-thread-test.js

@@ -276,14 +276,14 @@ describe('sidebar/util/build-thread', function () {
 
     it('expands threads which have been explicitly expanded', function () {
       const thread = buildThread(SIMPLE_FIXTURE, {
-        expanded: { '1': true },
+        expanded: { 1: true },
       });
       assert.isFalse(thread.children[0].collapsed);
     });
 
     it('collapses replies which have been explicitly collapsed', function () {
       const thread = buildThread(SIMPLE_FIXTURE, {
-        expanded: { '3': false },
+        expanded: { 3: false },
       });
       assert.isTrue(thread.children[0].children[0].collapsed);
     });

src/sidebar/util/test/collections-test.js

@@ -28,8 +28,8 @@ describe('sidebar/util/collections', () => {
       const myObj = {
         yes: true,
         no: false,
-        '1': true,
-        '0': false,
+        1: true,
+        0: false,
         hooray: true,
       };
       assert.sameMembers(collectionsUtil.trueKeys(myObj), [