[ACQE-5487] Fixing the flaky test

Author: Keerthana81187

app/code/Magento/Store/Test/Mftf/ActionGroup/StorefrontSwitchStoreViewActionGroup.xml

@@ -15,7 +15,7 @@
         <arguments>
             <argument name="storeView" defaultValue="customStore"/>
         </arguments>
-
+        <waitForElementVisible selector="{{StorefrontHeaderSection.storeViewSwitcher}}" stepKey="waitForStoreViewSwitcher"/>
         <click selector="{{StorefrontHeaderSection.storeViewSwitcher}}" stepKey="clickStoreViewSwitcher"/>
         <waitForElementVisible selector="{{StorefrontHeaderSection.storeViewDropdown}}" stepKey="waitForStoreViewDropdown"/>
         <click selector="{{StorefrontHeaderSection.storeViewOption(storeView.code)}}" stepKey="clickSelectStoreView"/>