fix: created cleanClasses function for text test

tests/unit/FishTankText.spec.ts

@@ -1,7 +1,13 @@
 import { mount, shallowMount as shallow } from '@vue/test-utils'
 import { expect } from "chai"
 import FishTankText from '@/components/FishTankText.vue'
-
+const getCleanClassNames = function(classList:any):Array<string>{
+ let classArray = Array.from(classList)
+ let cleanClasses = classArray.map((c:any)=>{
+ return c.split('_')[1]
+ })
+ return cleanClasses
+}
 describe('FishTankText.vue', () => {
  const propsData = {
  prop1: '',
@@ -37,10 +43,7 @@ describe('FishTankText.vue', () => {
  it('contains default classes of alignLeft, antialiased, colorBlack, fontSizeBaseLg and primary', () =>{
  const defaultClasses = [ 'alignLeft','antialiased','colorBlack','fontSizeBaseLg','primary' ]
  const wrapper = mountInput()
- let classArray = Array.from(wrapper.element.classList)
- let cleanClasses = classArray.map((c:String)=>{
- return c.split('_')[1]
- })
+ let cleanClasses = getCleanClassNames(wrapper.element.classList)
  cleanClasses.forEach(c=>{
  expect(defaultClasses.indexOf(c) >-1)
  })