test: use QR codes to setup contact with test bots

python/src/deltachat/__init__.py

@@ -55,6 +55,8 @@ def run_cmdline(argv=None, account_plugins=None):
     args = parser.parse_args(argv[1:])
 
     ac = Account(args.db)
+    qr = ac.get_setup_contact_qr()
+    print(qr)
 
     ac.run_account(addr=args.email, password=args.password, account_plugins=account_plugins, show_ffi=args.show_ffi)
 

python/src/deltachat/testplugin.py

@@ -649,6 +649,9 @@ class BotProcess:
 
     def __init__(self, popen, addr) -> None:
         self.popen = popen
+
+        # The first thing the bot prints to stdout is an invite link.
+        self.qr = self.popen.stdout.readline()
         self.addr = addr
 
         # we read stdout as quickly as we can in a thread and make