Fix package related build issues and test git issue

Author: chrismcg

package-lock.json

@@ -816,9 +816,12 @@ async function copyWorkspaceToTemp(
     const gitPath = path.join(tempDir, workspace);
     await execAsync('git init', { cwd: gitPath });
     await execAsync('git add .', { cwd: gitPath });
-    await execAsync('git commit -m "commit for test purposes"', {
-      cwd: gitPath,
-    });
+    await execAsync(
+      'git commit --author "Testy McTestface <test@example.com>" -m "commit for test purposes"',
+      {
+        cwd: gitPath,
+      },
+    );
   }
   return tempDir;
 }