Fix expectExceptionMessage() 'message' parameter

Author: Mastiuhin Oleksandr

app/code/Magento/Catalog/Test/Unit/Model/CategoryRepositoryTest.php

@@ -285,8 +285,7 @@ public function saveWithValidateCategoryExceptionDataProvider()
         return [
             [
                 true, \Magento\Framework\Exception\CouldNotSaveException::class,
-                'Could not save category: The "ValidateCategoryTest" attribute is required. Enter and try again.' .
-                'Enter and try again.',
+                'Could not save category: The "ValidateCategoryTest" attribute is required. Enter and try again.'
             ], [
                 'Something went wrong', \Magento\Framework\Exception\CouldNotSaveException::class,
                 'Could not save category: Something went wrong'

dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductCustomOptionRepositoryTest.php

@@ -217,7 +217,7 @@ public function testAddNegative($optionData)
             }
         } else {
             $this->expectException('Exception');
-            $this->expectExceptionMessage(400);
+            $this->expectExceptionCode(400);
         }
         $this->_webApiCall($serviceInfo, ['option' => $optionDataPost]);
     }