set(xcProjectFile "${RunCMake_TEST_BINARY_DIR}/XcodeCustomCommandComment.xcodeproj/project.pbxproj")
if(NOT EXISTS "${xcProjectFile}")
  set(RunCMake_TEST_FAILED "Project file ${xcProjectFile} does not exist.")
  return()
endif()

set(foundComment 0)
file(STRINGS "${xcProjectFile}" lines)
foreach(line IN LISTS lines)
  if(line MATCHES [[name = "My Custom Command Build Phase Name Debug";]])
    set(foundComment 1)
    break()
  endif()
endforeach()

if(NOT foundComment)
  set(RunCMake_TEST_FAILED "Did not find expected custom command comment in project.pbxproj")
endif()