Use xsltproc to transform ctest error output (win).

scripts/ci/extends/template-build-win.yml

@@ -23,7 +23,19 @@
     - cd $build_directory_full
     - cmake --build . --target package | Tee-Object -FilePath make.output
     - if($env:BUILD_TESTS -eq "true") { cmake --build . --target tests }
-    - if($env:BUILD_CTEST -eq "true") { cmake --build . --target ctest }
+    - |
+      if($env:BUILD_CTEST -eq "true")
+      {
+        ctest -T Test --no-compress-output --exclude-regex LARGE --timeout 900
+        $ctest_exit=$?
+        if(!$ctest_exit)
+        {
+          Write-Output "ctests failed (showing the last $env:NUM_CTEST_ERROR_LINES lines):"
+          xsltproc $env:CI_PROJECT_DIR/scripts/test/ctest-error-output.xsl (Get-ChildItem Testing/*/Test.xml | Select-Object -Expand FullName) > ./ctest-error-ouput.txt
+          Get-Content -Path ./ctest-error-ouput.txt -Tail $env:NUM_CTEST_ERROR_LINES
+          exit $ctest_exit
+        }
+      }
     - if($env:BUILD_CTEST -eq "true") { cp Testing/**/Test.xml Tests/ctest.xml }
     - |
       if($env:CHECK_WARNINGS -eq "true" -and (cat make.output | Select-String -Pattern ': warning') )