Add mock implementation for new function submoduleStatus

src/git-command-manager.ts

@@ -360,6 +360,7 @@ class GitCommandManager {
 
   async submoduleStatus(): Promise<boolean> {
     const output = await this.execGit(['submodule', 'status'], true)
+    core.debug(output.stdout)
     return output.exitCode === 0
   }
 

src/git-directory-helper.ts

@@ -84,6 +84,7 @@ export async function prepareExistingDirectory(
       // Check for submodules and delete any existing files if submodules are present
       if (!(await git.submoduleStatus())) {
         remove = true
+        core.info('Bad Submodules found, removing existing files')
       }
 
       // Clean