Updated Ci's to build the tests project.

.ci/azure-pipelines/build-macos.yml

@@ -51,7 +51,7 @@ jobs:
           cmake --build . -- test_filters test_registration test_registration_api
           cmake --build . -- -j2
         displayName: 'Build Library'
-      - script: cd $BUILD_DIR/test && ctest -V -T Test
+      - script: cd $BUILD_DIR && cmake --build . -- tests
         displayName: 'Run Unit Tests'
       - task: PublishTestResults@2
         inputs:

.ci/azure-pipelines/build-ubuntu-16-04.yaml

@@ -41,8 +41,7 @@ jobs:
           cmake --build . -- -j2
         displayName: 'Build Library'
       - script: |
-          cd $BUILD_DIR/test
-          ctest -V -T Test
+          cd $BUILD_DIR && cmake --build . -- tests
         displayName: 'Run Unit Tests'
       - task: PublishTestResults@2
         inputs:

.ci/azure-pipelines/build-ubuntu-19-10.yaml

@@ -42,8 +42,7 @@ jobs:
           cmake --build . -- -j2
         displayName: 'Build Library'
       - script: |
-          cd $BUILD_DIR/test
-          ctest -V -T Test
+          cd $BUILD_DIR && cmake --build . -- tests
         displayName: 'Run Unit Tests'
       - task: PublishTestResults@2
         inputs:

.ci/azure-pipelines/build-windows.yml

@@ -37,7 +37,7 @@ jobs:
         displayName: 'CMake Configuration'
       - script: cd %BUILD_DIR% && cmake --build . --config %CONFIGURATION%
         displayName: 'Build Library'
-      - script: cd %BUILD_DIR%/test && ctest -C %CONFIGURATION% -V -T Test
+      - script: cd %BUILD_DIR% && cmake --build . --target tests --config %CONFIGURATION%
         displayName: 'Run Unit Tests'
       - task: PublishTestResults@2
         inputs: