ACQE-6375 : Registered Checkout Using PayPal Smart Button and Flat Rate

Replaces see with waitForText and removed extra wait as pe rcode review comments

Author: shefalijain-22

app/code/Magento/Paypal/Test/Mftf/ActionGroup/StorefrontLoginToPayPalPaymentAccountTwoStepActionGroup.xml

@@ -21,7 +21,6 @@
         <waitForElementClickable selector="{{PayPalPaymentSection.email}}" stepKey="waitForLoginForm"/>
         <click selector="{{PayPalPaymentSection.email}}" stepKey="focusOnEmailField"/>
         <clearField selector="{{PayPalPaymentSection.email}}" stepKey="clearEmailField"/>
-        <waitForElementVisible selector="{{PayPalPaymentSection.email}}" stepKey="waitForLoginField"/>
         <fillField selector="{{PayPalPaymentSection.email}}" userInput="{{credentials.magento/PAYPAL_LOGIN}}" stepKey="fillEmail"/>
         <click selector="{{PayPalPaymentSection.nextButton}}" stepKey="clickNext"/>
         <waitForElementVisible selector="{{PayPalPaymentSection.password}}" stepKey="waitForPasswordField"/>

app/code/Magento/Paypal/Test/Mftf/Test/RegisteredPaypalCheckoutWithFlatRatePaymentActionSaleTest.xml

@@ -20,8 +20,6 @@
         </annotations>
         <before>
             <actionGroup ref="AdminLoginActionGroup" stepKey="login"/>
-            <!-- Enable Flat rate -->
-            <magentoCLI command="config:set {{EnableFlatRateConfigData.path}} {{EnableFlatRateConfigData.value}}" stepKey="enableFlatRate"/>
             <!-- Create Category -->
             <createData entity="SimpleSubCategory" stepKey="createCategory"/>
             <createData entity="ApiSimplePrice10Qty10" stepKey="createProduct">
@@ -96,8 +94,8 @@
         <waitForPageLoad stepKey="waitForPagePlacingOrderSuccessfully" />
         <!--See success messages-->
         <waitForElementVisible selector="{{CheckoutSuccessMainSection.successTitle}}" stepKey="waitForSuccessTitle"/>
-        <see selector="{{CheckoutSuccessMainSection.successTitle}}" userInput="Thank you for your purchase!" stepKey="seeSuccessTitle"/>
-        <see selector="{{CheckoutSuccessMainSection.orderNumberText}}" userInput="Your order number is: " stepKey="seeOrderNumber"/>
+        <waitForText selector="{{CheckoutSuccessMainSection.successTitle}}" userInput="Thank you for your purchase!" stepKey="seeSuccessTitle"/>
+        <waitForText selector="{{CheckoutSuccessMainSection.orderNumberText}}" userInput="Your order number is: " stepKey="seeOrderNumber"/>
         <waitForElementVisible selector="{{CheckoutSuccessMainSection.orderNumber22}}" stepKey="waitForOrderNumberToBeGrabbed"/>
         <grabTextFrom selector="{{CheckoutSuccessMainSection.orderNumber22}}" stepKey="grabOrderNumber"/>
         <!-- Go to order page -->