ENH: Add PASS_REGULAR_EXPRESION to ConvertImageWithLabelsToShapeLabelMap

Ensure we are not getting an incorrect object count.

Author: thewtex

src/Filtering/LabelMap/ConvertImageWithLabelsToShapeLabelMap/CMakeLists.txt

@@ -23,3 +23,5 @@ install(FILES Code.cxx CMakeLists.txt
 enable_testing()
 add_test(NAME ConvertImageWithLabelsToShapeLabelMapTest
   COMMAND ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${PROJECT_NAME})
+set_tests_properties(ConvertImageWithLabelsToShapeLabelMapTest
+  PROPERTIES PASS_REGULAR_EXPRESSION "There are 2 objects.")