Issue #3183825 by effulgentsia, alexpott: Use absolute instead of relative...

Issue #3183825 by effulgentsia, alexpott: Use absolute instead of relative paths within the packages.json created in ComposerProjectTemplatesTest

core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php

@@ -312,7 +312,7 @@ protected function makeVendorPackage($repository_path) {
             "name" => $name,
             "dist" => [
               "type" => "path",
-              "url" => $path,
+              "url" => $full_path,
             ],
             "version" => $version,
           ],