MAGECLOUD-1701: var/log/cloud.log contain data only about deploy phase for 2.1. (#191)

Author: oshmyheliuk

src/Filesystem/DirectoryList.php

@@ -167,6 +167,7 @@ public function getWritableDirectories(): array
             $writableDirs[] = static::DIR_GENERATED_METADATA;
             $writableDirs[] = static::DIR_GENERATED_CODE;
             $writableDirs[] = static::DIR_VIEW_PREPROCESSED;
+            $writableDirs[] = static::DIR_LOG;
         } else {
             $writableDirs[] = static::DIR_VAR;
         }

src/Test/Unit/Filesystem/DirectoryListTest.php

@@ -162,6 +162,7 @@ public function getWritableDirectoriesDataProvider(): array
             'var/di',
             'var/generation',
             'var/view_preprocessed',
+            'var/log',
             'app/etc',
             'pub/media',
         ];