sync: select destination read-write so PERMANENTFLAGS is real (flags were dropped)

tests/imap_fixture.py

@@ -106,7 +106,7 @@ def inspect(user, password):
             if not isinstance(item, tuple):
                 continue
             meta, hdr = item
-            flags = re.search(rb"FLAGS \((.*?)\)", meta).group(1).decode().split()
+            flags = [f for f in re.search(rb"FLAGS \((.*?)\)", meta).group(1).decode().split() if f != "\\Recent"]
             date = re.search(rb'INTERNALDATE "(.*?)"', meta).group(1).decode()
             size = int(re.search(rb"RFC822.SIZE (\d+)", meta).group(1))
             mid = re.search(rb"Message-ID: <(.*?)>", hdr, re.I)