tests/comms: Disable tests which bind TCP sockets on CI runs

Those tests timeout on Cirrus. Disable them for now.
This introduces a new tag [notCI] with which tests can be marked which shouldn't be run during CI.

.cirrus.yml

@@ -18,5 +18,5 @@ task:
     - make install
 
   test_script:
-    - cd build
-    - CTEST_OUTPUT_ON_FAILURE=1 make test
+    - cd build/tests
+    - ./tests "~[notCI]"

tests/zm_comms.cpp

@@ -260,7 +260,7 @@ TEST_CASE("ZM::TcpInetClient basics") {
   REQUIRE(client.isDisconnected() == false);
 }
 
-TEST_CASE("ZM::TcpInetServer basics") {
+TEST_CASE("ZM::TcpInetServer basics", "[notCI]") {
   ZM::TcpInetServer server;
   REQUIRE(server.isClosed() == true);
   REQUIRE(server.isOpen() == false);
@@ -286,7 +286,7 @@ TEST_CASE("ZM::TcpInetServer basics") {
   }
 }
 
-TEST_CASE("ZM::TcpInetClient/Server send/recv") {
+TEST_CASE("ZM::TcpInetClient/Server send/recv", "[notCI]") {
   ZM::TcpInetServer server;
   ZM::TcpInetClient client;