Поправил тест

main.py

@@ -114,7 +114,12 @@ class Back():
 
     def deletePost(self, name):
         # TODO: return RESTful error/success result
-        return bool(posts.delete_one({'name': name}).deleted_count)
+        delete = posts.delete_one({'name': name}).deleted_count
+        if not delete:
+            result = dict(status=500, count=delete)
+        else:
+            result = dict(status=200, count=delete)
+        return str(result)
 
 
 class Metrics:

test.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
-curl_cmd='curl -s -w "%{http_code}" -o /dev/null'
+curl_cmd='curl -w :%{http_code}'
+#curl_cmd='curl -s -w "%{http_code}\t%{stdout}" -o /dev/null'
 url='server:8080'
 $curl_cmd -X POST $url/admin/post/test -F 'body=testpage' && echo ": Create success" || echo ': create fail'