change "coping" to "copying"

Author: ckd

app/code/Magento/ImportExport/Model/Import.php

@@ -904,7 +904,7 @@ protected function createHistoryReport($sourceFileRelative, $entity, $extension
                     $this->_varDirectory->writeFile($copyFile, $content);
                 }
             } catch (FileSystemException $e) {
-                throw new LocalizedException(__('Source file coping failed'));
+                throw new LocalizedException(__('Source file copying failed'));
             }
             $this->importHistoryModel->addReport($copyName);
         }

app/code/Magento/ImportExport/Test/Unit/Model/ImportTest.php

@@ -1011,7 +1011,7 @@ public function testCreateHistoryReportExtensionIsSet()
     public function testCreateHistoryReportThrowException()
     {
         $this->expectException(LocalizedException::class);
-        $this->expectExceptionMessage('Source file coping failed');
+        $this->expectExceptionMessage('Source file copying failed');
         $sourceFileRelative = null;
         $entity = '';
         $extension = '';

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

@@ -89,7 +89,7 @@ Status,Status
 "Import data validation is complete.","Import data validation is complete."
 "The behavior token for %1 is invalid.","The behavior token for %1 is invalid."
 "Please enter a correct entity model","Please enter a correct entity model"
-"Source file coping failed","Source file coping failed"
+"Source file copying failed","Source file copying failed"
 "The source is not set.","The source is not set."
 "The adapter type must be a non-empty string.","The adapter type must be a non-empty string."
 "'%1' file extension is not supported","'%1' file extension is not supported"