RI-5934 fix tests

Author: kchepikava

redisinsight/ui/src/components/formated-date/FormatedDate.tsx

@@ -15,6 +15,8 @@ const FormatedDate = ({ date }: Props) => {
   const dateFormat = config?.dateFormat || DATETIME_FORMATTER_DEFAULT
   const timezone = config?.timezone || TimezoneOption.Local
 
+  if (!date) return <span />
+
   const formatedDate = formatTimestamp(date, dateFormat, timezone)
 
   return (

redisinsight/ui/src/components/range-filter/RangeFilter.tsx

@@ -1,9 +1,7 @@
 import React, { useCallback, useState, useEffect, useRef } from 'react'
 import cx from 'classnames'
 
-import { getFormatTime } from 'uiSrc/utils/streamUtils'
-
-import FormatedDate from '../formated-date'
+import { FormatedDate } from '../formated-date'
 import styles from './styles.module.scss'
 
 const buttonString = 'Reset Filter'