tests: propagate CPPFLAGS into build invocations

[exim.git] / test / stdout / 0435

220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
501 NUL characters are not allowed in SMTP commands\r
221 myhost.test.ex closing connection\r