[WIP] [Pangolin][Sprint#1] Regression test automation

Fixed: MC-14719, MC-14716

Author: mkovdrysh

app/code/Magento/Checkout/Test/Mftf/Data/ConfigData.xml

@@ -53,6 +53,13 @@
         <data key="label">Yes</data>
         <data key="value">1</data>
     </entity>
+    <entity name="EnableFlatRateDefaultPriceConfigData">
+        <data key="path">carriers/flatrate/price</data>
+        <data key="scope">carriers</data>
+        <data key="scope_id">1</data>
+        <data key="label">Yes</data>
+        <data key="value">5.00</data>
+    </entity>
     <entity name="EnableFlatRateToSpecificCountriesConfigData">
         <data key="path">carriers/flatrate/sallowspecific</data>
         <data key="scope">carriers</data>

app/code/Magento/Checkout/Test/Mftf/Test/StorefrontAddBundleDynamicProductToShoppingCartWithDisableMiniCartSidebarTest.xml

@@ -20,6 +20,7 @@
         <before>
             <magentoCLI stepKey="disableShoppingCartSidebar" command="config:set checkout/sidebar/display 0"/>
             <magentoCLI command="config:set {{EnableFlatRateConfigData.path}} {{EnableFlatRateConfigData.value}}" stepKey="enableFlatRate"/>
+            <magentoCLI command="config:set {{EnableFlatRateDefaultPriceConfigData.path}} {{EnableFlatRateDefaultPriceConfigData.value}}" stepKey="enableFlatRatePrice"/>
             <createData entity="SimpleSubCategory" stepKey="createSubCategory"/>
 
             <!--Create  simple products-->

app/code/Magento/Checkout/Test/Mftf/Test/StorefrontAddConfigurableProductToShoppingCartTest.xml

@@ -19,6 +19,7 @@
 
         <before>
             <magentoCLI command="config:set {{EnableFlatRateConfigData.path}} {{EnableFlatRateConfigData.value}}" stepKey="enableFlatRate"/>
+            <magentoCLI command="config:set {{EnableFlatRateDefaultPriceConfigData.path}} {{EnableFlatRateDefaultPriceConfigData.value}}" stepKey="enableFlatRatePrice"/>
             <!-- Create Default Category -->
             <createData entity="_defaultCategory" stepKey="createCategory"/>