Clean up and try to use ctest for OS X and Windows.

.ci/linux-steps.yaml

@@ -56,9 +56,6 @@ steps:
 - script: cd build && ctest -T Test .
   displayName: 'Run tests via ctest'
 
-- script: find build/
-  displayName: 'List build directory.'
-
 # Publish test results to Azure Pipelines
 - task: PublishTestResults@2
   inputs:

.ci/macos-steps.yaml

@@ -36,27 +36,21 @@ steps:
 - script: cd build && make -j2
   displayName: 'Build'
 
-# Run tests
-- script: cd build && bin/mlpack_test --result_code=no --report_level=detailed --log_level=test_suite --log_format=HRF --log_sink=res.txt
-  displayName: 'Run tests'
-
-# Process test results
-- bash: |
-    python conf/ci/convert.py > mlpack_test.xml
-  displayName: 'Process test results'
+# Run tests via ctest.
+- script: cd build && ctest -T Test .
+  displayName: 'Run tests via ctest'
 
 # Publish test results to Azure Pipelines
 - task: PublishTestResults@2
   inputs:
-    testResultsFormat: JUnit
-    testResultsFiles: 'mlpack_test.xml'
+    testResultsFormat: cTest
+    testResultsFiles: build/Testing/*/Test.xml
     failTaskOnFailedTests: true
   displayName: 'Publish tests'
 
 # Publish build artifacts to Azure Pipelines
 - task: PublishBuildArtifacts@1
   inputs:
-    pathtoPublish: 'mlpack_test.xml'
-    artifactName: 'mlpack_test_macos.xml'
+    pathtoPublish: 'build/Testing/'
+    artifactName: 'Tests'
   displayName: 'Publish artifacts test results'
-  

.ci/windows-steps.yaml

@@ -95,10 +95,11 @@ steps:
     Release/mlpack_test.exe --result_code=no --report_level=detailed --log_level=test_suite --log_format=HRF --log_sink=res.txt
   displayName: 'Run tests'
 
-# Process test results
+# Run tests via ctest.
 - bash: |
-    python conf/ci/convert.py > mlpack_test.xml
-  displayName: 'Process test results'
+    cd build
+    ctest -T Test .
+  displayName: 'Run tests via ctest'
 
 # Copy artifacts
 - powershell: |
@@ -138,14 +139,14 @@ steps:
   displayName: 'Publish artifacts complete'
 - task: PublishBuildArtifacts@1
   inputs:
-    pathtoPublish: 'mlpack_test.xml'
-    artifactName: $(ArchiveTests)
+    pathtoPublish: 'build/Testing/'
+    artifactName: 'Tests'
   displayName: 'Publish artifacts test results'
 
 # Publish test results to Azure Pipelines
 - task: PublishTestResults@2
   inputs:
-    testResultsFormat: JUnit
-    testResultsFiles: 'mlpack_test.xml'
+    testResultsFormat: cTest
+    testResultsFiles: build/Testing/*/Test.xml
     failTaskOnFailedTests: true
   displayName: 'Publish tests'