Better testing of drawingCanvas component

src/test/drawingCanvas.test.tsx

@@ -4,7 +4,8 @@ import { configureStore } from "@reduxjs/toolkit";
 import { render, screen} from '@testing-library/react-native'
 import testReducer from "./testReducer";
 import KanjiPlaygroundList from "../components/KanjiPlaygroundList";
-
+import {expect} from '@jest/globals';
+import '@testing-library/jest-native/extend-expect';
 
 jest.useFakeTimers();
 
@@ -32,5 +33,8 @@ describe('<KanjiPlaygroundList/>', () => {
             </Wrapper>)
 
         expect(screen.queryAllByTestId("kanji-list-item")).toHaveLength(expectedList.length);
+        expectedList.forEach( (value, index) => {
+            expect(screen.queryAllByTestId("kanji-list-item")[index]).toHaveTextContent(value.character)
+        })
     })
 });

src/test/testReducer.ts

@@ -10,15 +10,10 @@ const initialState = {
         new Kanji("訪", "visit", "", "", 11, "ホウ", "おとずれる", { character: "", position: "" }, [{
             english: "visit", japanese: "訪ねる（たずねる）"
         }]),
-        new Kanji("訪", "visit", "", "", 11, "ホウ", "おとずれる", { character: "", position: "" }, [{
-            english: "visit", japanese: "訪ねる（たずねる）"
-        }]),
-        new Kanji("訪", "visit", "", "", 11, "ホウ", "おとずれる", { character: "", position: "" }, [{
-            english: "visit", japanese: "訪ねる（たずねる）"
-        }]),
+        new Kanji("雨", "rain", "", "", 8, "ウ", "あめ、あま", { character: "", position: "" }, []),
     ]
 }
 
-export default testReducer = (state = initialState, action) => {
+export default (state = initialState, action) => {
     return kanjiReducer(initialState, action);
 }