tests: Avoid using network in port1.0 unit tests

Using the network can cause tests to fail, for example due to missing
root CA certificates or unsupported TLS versions.

Avoid these failures by replacing the Portfile with an empty one.

src/port1.0/tests/Portfile

@@ -1,25 +1,19 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 PortSystem 1.0
 
-name			gcc_select
-version			0.1
-revision		4
-categories		sysutils
-platforms		darwin
-license		BSD
-maintainers		mww
-supported_archs		noarch
-description		Switch the default compiler
-long_description	gcc_select lets you switch the default compiler. \
-			It symlinks the standard compiler executables \
-			in the MacPorts prefix to the selected version.
+name                emptyport
+version             0.2
+categories          sysutils
+platforms           darwin
+license             BSD
+maintainers         nomaintainer
+supported_archs     noarch
+description         Nothing
+long_description    ${description}
 
-homepage		http://svn.macports.org/repository/macports/contrib/select/
-master_sites		http://downloads.sourceforge.net/project/macports/distfiles/select
-fetch.ignore_sslcert yes
-distname		select-${version}
-checksums		sha1 18e1f95c2ddd88210aa52eb696261859af2dc3a4
+homepage            https://github.com/kelseyhightower/nocode
+distfiles
 
-patchfiles
 patch {
     foreach patch $patchfiles {
         set fd [open ${filespath}/${patch} r]
@@ -30,17 +24,16 @@ patch {
         close $fd
     }
 }
-
-configure.args		--mandir=${prefix}/share/man --name=gcc
-
-post-destroot {
-    xinstall -d ${destroot}${prefix}/etc/select/gcc
-    touch ${destroot}${prefix}/etc/select/gcc/base
+configure {}
+build {}
+destroot {
+    install -d -m755 ${destroot}${prefix}/share
+    install -d -m755 ${destroot}${prefix}/share/${name}
+    touch ${destroot}${prefix}/share/${name}/EMPTY
 }
-
 test {
     touch ${worksrcpath}/README
     file delete -force ${worksrcpath}/README
 }
 
-livecheck.type	none
+livecheck.type  none