pipeline siivous ja testikattavuuden nosto (#9)

Co-authored-by: moilanik <niko.moilanen@tietoevry.com>
Reviewed-on: #9

tests/helpers/mock-server.py

@@ -46,7 +46,7 @@ class H(http.server.BaseHTTPRequestHandler):
     def _log_request(self, method):
         path = self.path
         content_len = int(self.headers.get('Content-Length', 0))
-        body = self.rfile.read(content_len).decode() if content_len else ''
+        body = self.rfile.read(content_len).decode(errors='replace') if content_len else ''
         line = f'{method} {path}\n{body}\n'
         with open(REQ_FILE, 'a') as f:
             f.write(line)
@@ -67,6 +67,14 @@ class H(http.server.BaseHTTPRequestHandler):
         self.end_headers()
         self.wfile.write(body.encode())
 
+    def do_PATCH(self):
+        self._log_request('PATCH')
+        code, body = self._get_response()
+        self.send_response(code)
+        self.send_header('Content-Type', 'application/json')
+        self.end_headers()
+        self.wfile.write(body.encode())
+
     def log_message(self, format, *args):
         pass