message: Fixed cmake file for copying sample files in unix 2
diff: @@ -313,21 +313,21 @@ message("-- Copying files for testing")
  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}/.)
  + ${CMAKE_CURRENT_BINARY_DIR}/sample_data.csv)
  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}/.)
  + ${CMAKE_CURRENT_BINARY_DIR}/sample_data.json)
  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}/.)
  + ${CMAKE_CURRENT_BINARY_DIR}/sample_data_dt_index.csv)
  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}/.)
  + ${CMAKE_CURRENT_BINARY_DIR}/sample_data_string_index.csv)
  if (MSVC)
  file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/test/sample_data.csv
  