message: Fixed cmake file for copying sample files in unix
diff: @@ -310,14 +310,24 @@ add_test(NAME gen_rand_tester
  message("-- Copying files for testing")
  # Ctest require this files in the build dir, on all platforms
  -file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data.csv
  - DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
  -file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data.json
  - DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
  -file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data_dt_index.csv
  - DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
  -file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data_string_index.csv
  - DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
  +add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
  + COMMAND ${CMAKE_COMMAND} -E copy
  + ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data.csv
  + ${CMAKE_CURRENT_BINARY_DIR}/.)
  +add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
  + COMMAND ${CMAKE_COMMAND} -E copy
  + ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data.json
  + ${CMAKE_CURRENT_BINARY_DIR}/.)
  +add_custom_command(
  + TARGET ${PROJECT_NAME} POST_BUILD
  + COMMAND ${CMAKE_COMMAND} -E copy
  + ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data_dt_index.csv
  + ${CMAKE_CURRENT_BINARY_DIR}/.)
  +add_custom_command(
  + TARGET ${PROJECT_NAME} POST_BUILD
  + COMMAND ${CMAKE_COMMAND} -E copy
  + ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data_string_index.csv
  + ${CMAKE_CURRENT_BINARY_DIR}/.)
  if (MSVC)
  file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data.csv
  