fix test compliance

Author: mark_rees

app/code/Magento/Checkout/Block/Checkout/LayoutProcessor.php

@@ -132,7 +132,7 @@ private function convertElementsToSelect($elements, $attributesToConvert)
             $elements[$code]['dataType'] = 'select';
             $elements[$code]['formElement'] = 'select';
 
-            foreach ($options as $key => $value) {
+            foreach ($options as $value) {
                 $elements[$code]['options'][] = [
                     'value' => $value,
                     'label' => $value,

app/code/Magento/Sales/Block/Adminhtml/Order/Create/Form/Address.php

@@ -235,10 +235,10 @@ protected function _prepareForm()
         if ($prefixElement) {
             $prefixOptions = $this->options->getNamePrefixOptions($this->getStore());
             if (!empty($prefixOptions)) {
-                $mappedPrefixOptions = array ();
-				foreach ($prefixOptions as $prefix) {
-					$mappedPrefixOptions[$prefix] = $prefix;
-				}
+                $mappedPrefixOptions = [];
+                foreach ($prefixOptions as $prefix) {
+                    $mappedPrefixOptions[$prefix] = $prefix;
+                }
                 $fieldset->removeField($prefixElement->getId());
                 $prefixField = $fieldset->addField($prefixElement->getId(), 'select', $prefixElement->getData(), '^');
                 $prefixField->setValues($mappedPrefixOptions);