curl/tests/data/test1566, branch master

curl/tests/data/test1566, branch master cURL mirror with patches applied test1566: verify --etag-compare that gets a 304 back 2020-04-05T09:15:20+00:00 Daniel Stenberg daniel@haxx.se 2020-04-04T22:05:47+00:00 6bc1040d551c2b621c114c3c58e9a6cd6a46de7c Verifies the fix in #5183 Closes #5186

Verifies the fix in #5183

Closes #5186