#79 написал еще тесты

planner-front/src/tests/MonthCalendar.test.js

 import {getDaysInMonth, getCurrentMonthString, dateToISOLikeButLocal} from '../helpers/CalendarHelpers';
-import {taskIsAvailableInCell} from '../components/MonthCalendarBody/CalendarRowDay/Helpers'
+import {getAvailableTasks, getSortedTasks} from '../components/MonthCalendarBody/CalendarRowDay/Helpers'
 
 describe('Получение дней в феврале 2022', () => {
   test('Всего дней', () => {
@@ -54,3 +54,15 @@ describe('Получение ISO даты', () => {
     expect(dateToISOLikeButLocal(new Date(2021, 'sd', 28, 5, 59))).toBe(null);
   })
 })
+
+describe('Получение допустимых задач для клетки', () => {
+  test('Валидные задачи', () => {
+    expect(getAvailableTasks([{infoForCell: {startYear: 2022, startMonth: 12, startDay: 12}}, {infoForCell: {startYear: 2022, startMonth: 12, startDay: 12}}], 2022, 11, 12).length).toBe(2);
+  })
+  test('Не валидные задачи', () => {
+    expect(getAvailableTasks([{infoForCell: {startYear: 2021, startMonth: 11, startDay: 12}}, {infoForCell: {startYear: 2022, startMonth: 12, startDay: 14}}], 2022, 11, 12).length).toBe(0);
+  })
+  test('Не все прошедшие проверку задачи', () => {
+    expect(getAvailableTasks([{infoForCell: {startYear: 2021, startMonth: 11, startDay: 12}}, {infoForCell: {startYear: 2022, startMonth: 12, startDay: 12}}], 2022, 11, 12).length).toBe(1);
+  })
+})
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