Add local deploy dir to ITEnv and ITTrait

Add support for creating, clearing between test
cases, and getting file contents from a local
deploy directory.

Author: john-shaffer

tests/integration/ITEnv.php

@@ -37,4 +37,10 @@ public static function getWordPressDir(): string
         }
         return self::$wordpress_dir;
     }
+
+    public static function getLocalDeployDir(): string {
+        $dir = self::getWordPressDir() . '/../localdeploy';
+        mkdir( $dir, 0775, true );
+        return realpath( $dir );
+    }
 }

tests/integration/ITTrait.php

@@ -7,6 +7,7 @@
  */
 trait ITTrait {
     public function setUp(): void {
+        exec( 'rm -rf ' . escapeshellarg( ITEnv::getLocalDeployDir() ) );
         exec( 'rm -rf ' . escapeshellarg( ITEnv::getTestContentDir() ) );
 
         $this->pluginCli( [ 'delete_all_cache', '--force' ] );
@@ -70,6 +71,13 @@ public function getCrawledFileContents( string $path ): string
         );
     }
 
+    public function getLocalDeployFileContents( string $path ): string {
+        return $this->getFileContents(
+            ITEnv::getLocalDeployDir(),
+            $path
+        );
+    }
+
     public function getProcessedFileContents( string $path ): string
     {
         return $this->getFileContents(