Fix javascript tests

src/newsreader/js/pages/homepage/reducers/categories.js

@@ -39,14 +39,14 @@ export const categories = (state = { ...defaultState }, action) => {
     case REQUEST_CATEGORY:
       return { ...state, isFetching: true };
     case MARK_POST_READ:
-      let category = {};
+      let postCategory = {};
 
       switch (action.section.type) {
         case CATEGORY_TYPE:
-          category = { ...state.items[action.section.id] };
+          postCategory = { ...state.items[action.section.id] };
           break;
         case RULE_TYPE:
-          category = { ...state.items[action.section.category] };
+          postCategory = { ...state.items[action.section.category] };
           break;
       }
 
@@ -54,33 +54,33 @@ export const categories = (state = { ...defaultState }, action) => {
         ...state,
         items: {
           ...state.items,
-          [category.id]: { ...category, unread: category.unread - 1 },
+          [postCategory.id]: { ...postCategory, unread: postCategory.unread - 1 },
         },
       };
     case MARK_SECTION_READ:
-      category = {};
+      let sectionCategory = {};
 
       switch (action.section.type) {
         case CATEGORY_TYPE:
-          category = { ...state.items[action.section.id] };
+          sectionCategory = { ...state.items[action.section.id] };
 
           return {
             ...state,
             items: {
               ...state.items,
-              [category.id]: { ...category, unread: 0 },
+              [sectionCategory.id]: { ...sectionCategory, unread: 0 },
             },
           };
         case RULE_TYPE:
-          category = { ...state.items[action.section.category] };
+          sectionCategory = { ...state.items[action.section.category] };
 
           return {
             ...state,
             items: {
               ...state.items,
-              [category.id]: {
+              [sectionCategory.id]: {
-                ...category,
+                ...sectionCategory,
-                unread: category.unread - action.section.unread,
+                unread: sectionCategory.unread - action.section.unread,
               },
             },
           };