ENGCOM-2386: Improve "Invalid country code" error message on tax import #16873

Author: VladimirZaets

app/code/Magento/TaxImportExport/Model/Rate/CsvImportHandler.php

@@ -237,7 +237,7 @@ protected function _importRate(array $rateData, array $regionsCache, array $stor
         $countryCode = $rateData[1];
         $country = $this->_countryFactory->create()->loadByCode($countryCode, 'iso2_code');
         if (!$country->getId()) {
-            throw new \Magento\Framework\Exception\LocalizedException(__('One of the countries has invalid code.'));
+            throw new \Magento\Framework\Exception\LocalizedException(__('Country code is invalid: %1', $countryCode));
         }
         $regionsCache = $this->_addCountryRegionsToCache($countryCode, $regionsCache);
 

app/code/Magento/TaxImportExport/i18n/en_US.csv

@@ -12,7 +12,7 @@ Rate,Rate
 "Invalid file upload attempt","Invalid file upload attempt"
 "Invalid file upload attempt.","Invalid file upload attempt."
 "Invalid file format.","Invalid file format."
-"One of the countries has invalid code.","One of the countries has invalid code."
+"Country code is invalid: %1","Country code is invalid: %1"
 "Import Tax Rates","Import Tax Rates"
 "Export Tax Rates","Export Tax Rates"
 CSV,CSV

dev/tests/integration/testsuite/Magento/TaxImportExport/Model/Rate/CsvImportHandlerTest.php

@@ -57,7 +57,7 @@ public function testImportFromCsvFileWithCorrectData()
     /**
      * @magentoDbIsolation enabled
      * @expectedException \Magento\Framework\Exception\LocalizedException
-     * @expectedExceptionMessage One of the countries has invalid code.
+     * @expectedExceptionMessage Country code is invalid: ZZ
      */
     public function testImportFromCsvFileThrowsExceptionWhenCountryCodeIsInvalid()
     {