Add a Windows debug system test job to GitLab CI

Add a system test job for binaries created by Visual Studio in the
"Debug" build configuration to GitLab CI so that they can be tested
along their "Release" counterparts when necessary.

.gitlab-ci.yml

@@ -258,6 +258,30 @@ stages:
        --results-filter "" \
        --output kyua_html
 
+.windows_system_test: &windows_system_test_job
+  stage: system
+  tags:
+    - windows
+    - amd64
+  script:
+    - 'Push-Location bin/tests/system'
+    - '$ifIndex = Get-NetIPInterface -AddressFamily IPv4 -InterfaceMetric 75 | Select-Object -ExpandProperty ifIndex'
+    - '& C:/tools/cygwin/bin/sed.exe -i "s/^exit.*/netsh interface ipv4 set dnsservers $ifIndex dhcp/; s/\(name\|interface\)=Loopback/$ifIndex/;" ifconfig.bat'
+    - '& C:/tools/cygwin/bin/sed.exe -i "s/kill -f/kill -W/;" conf.sh stop.pl'
+    - '& cmd.exe /C ifconfig.bat up; ""'
+    - 'Start-Sleep 2'
+    - '$Env:Path = "C:/tools/cygwin/bin;$Env:Path"'
+    - '& sh.exe runall.sh $TEST_PARALLEL_JOBS'
+    - 'If (Test-Path C:/CrashDumps/*) { dir C:/CrashDumps; Throw }'
+  artifacts:
+    untracked: true
+    expire_in: "1 week"
+    when: on_failure
+  only:
+    - schedules
+    - tags
+    - web
+
 .unit_test: &unit_test_job
   <<: *default_triggering_rules
   stage: unit
@@ -985,33 +1009,12 @@ msvc:windows:amd64:
     VSCONF: Release
 
 system:msvc:windows:amd64:
-  stage: system
-  tags:
-    - windows
-    - amd64
+  <<: *windows_system_test_job
   variables:
     VSCONF: Release
-  script:
-    - 'Push-Location bin/tests/system'
-    - '$ifIndex = Get-NetIPInterface -AddressFamily IPv4 -InterfaceMetric 75 | Select-Object -ExpandProperty ifIndex'
-    - '& C:/tools/cygwin/bin/sed.exe -i "s/^exit.*/netsh interface ipv4 set dnsservers $ifIndex dhcp/; s/\(name\|interface\)=Loopback/$ifIndex/;" ifconfig.bat'
-    - '& C:/tools/cygwin/bin/sed.exe -i "s/kill -f/kill -W/;" conf.sh stop.pl'
-    - '& cmd.exe /C ifconfig.bat up; ""'
-    - 'Start-Sleep 2'
-    - '$Env:Path = "C:/tools/cygwin/bin;$Env:Path"'
-    - '& sh.exe runall.sh $TEST_PARALLEL_JOBS'
-    - 'If (Test-Path C:/CrashDumps/*) { dir C:/CrashDumps; Throw }'
   dependencies:
     - msvc:windows:amd64
   needs: ["msvc:windows:amd64"]
-  artifacts:
-    untracked: true
-    expire_in: "1 week"
-    when: on_failure
-  only:
-    - schedules
-    - tags
-    - web
 
 msvc-debug:windows:amd64:
   <<: *windows_build_job
@@ -1021,3 +1024,11 @@ msvc-debug:windows:amd64:
     - schedules
     - tags
     - web
+
+system:msvc-debug:windows:amd64:
+  <<: *windows_system_test_job
+  variables:
+    VSCONF: Debug
+  dependencies:
+    - msvc-debug:windows:amd64
+  needs: ["msvc-debug:windows:amd64"]