add particle_generator_single_resolution to ctest

Author: Xiangyu-Hu

cases_test/test_2d_particle_generator_single_resolution/CMakeLists.txt

@@ -19,6 +19,8 @@ file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/data/SPHinXsys-2d.dat
 aux_source_directory(. DIR_SRCS)
 ADD_EXECUTABLE(${PROJECT_NAME} ${DIR_SRCS})
 
+add_test(NAME ${PROJECT_NAME} COMMAND ${PROJECT_NAME})
+
 if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
     target_link_libraries(${PROJECT_NAME} sphinxsys_2d ${TBB_LIBRARYS} ${Simbody_LIBRARIES})
     add_dependencies(${PROJECT_NAME} sphinxsys_2d sphinxsys_static_2d)