Test: AREAFIX-004

Case:
Netmail from a point to areafix to subscribe an area. Message is scanned
out, processed, and a reply is sent telling that the area doesn't exist.

Input:
FTN netmail from "Mr Point" at 2:200/111.15 to
"AreaFix" at 2:200/111.0, password "MrPointPwd".
+TEST_AREA in the body.

Output:
PKT file with reply
