MTO-108: [Test] Observe Different Base Currency per Website

- Defects fixed

Author: vitalysery

dev/tests/functional/tests/app/Magento/Catalog/Test/Block/Product/Price.php

@@ -113,12 +113,11 @@ public function getPriceTo($currency = '$')
     /**
      * Get currency symbol from price block on the product page.
      *
-     * @param string $currency
-     * @return array|null
+     * @return string
      */
-    public function getCurrencySymbol($currency = '$')
+    public function getCurrencySymbol()
     {
-        $price = $this->getPrice($currency);
+        $price = $this->getPrice('');
         preg_match('`(.*?)\d`', $price, $matches);
         return $matches[1];
     }

dev/tests/functional/tests/app/Magento/CurrencySymbol/Test/Constraint/AssertCurrencySymbolOnProductPageCustomWebsite.php

@@ -35,7 +35,7 @@ public function processAssert(
         $url = $_ENV['app_frontend_url'] . 'websites/' . $website->getCode() . '/' . $product->getUrlKey() . '.html';
         $browser->open($url);
         $priceBlock = $catalogProductView->getViewBlock()->getPriceBlock();
-        $symbolOnPage = $priceBlock->getCurrencySymbol('');
+        $symbolOnPage = $priceBlock->getCurrencySymbol();
 
         \PHPUnit_Framework_Assert::assertEquals(
             $currencySymbol['customWebsite'],

dev/tests/functional/tests/app/Magento/CurrencySymbol/Test/Constraint/AssertCurrencySymbolOnProductPageMainWebsite.php

@@ -33,7 +33,7 @@ public function processAssert(
     ) {
         $browser->open($_ENV['app_frontend_url'] . $product->getUrlKey() . '.html');
         $priceBlock = $catalogProductView->getViewBlock()->getPriceBlock();
-        $symbolOnPage = $priceBlock->getCurrencySymbol('');
+        $symbolOnPage = $priceBlock->getCurrencySymbol();
 
         \PHPUnit_Framework_Assert::assertEquals(
             $currencySymbol['mainWebsite'],