Adding CTest output (#278)

Author: henryiii

.ci/azure-test.yml

@@ -1,5 +1,12 @@
 steps:
 
-- script: ctest --output-on-failure -C $(cli11.build_type)
+- script: ctest --output-on-failure -C $(cli11.build_type) -T test
   displayName: 'Test'
   workingDirectory: build
+
+- task: PublishTestResults@2
+  inputs:
+    testResultsFormat: 'cTest'
+    testResultsFiles: '**/Test.xml'
+
+