missing CRs and modified %hostip
lib556/test556: use a real HTTP version to make test reuse more convenient
make sure the weekday in Date headers matches the date
test61: replace stray "^M" (5e 4d) at the end of a cookie with a '^M' (0d)
Gets the test working with external proxies like Privoxy again.
Closes#6463
To make it only send one DoH request and avoid the race condition that
could lead to the requests getting sent in reversed order and thus
making it hard to compare in the test case.
Fixes#3107Closes#3108
