diff --git a/Tests/RunCMake/CPack/CMakeLists.txt b/Tests/RunCMake/CPack/CMakeLists.txt
index c361af0654..1b3dbb2282 100644
--- a/Tests/RunCMake/CPack/CMakeLists.txt
+++ b/Tests/RunCMake/CPack/CMakeLists.txt
@@ -15,3 +15,7 @@ include(tests/${RunCMake_TEST_FILE_PREFIX}/test.cmake)
 
 set(CPACK_GENERATOR "${GENERATOR_TYPE}")
 include(CPack)
+
+if(COMMAND run_after_include_cpack)
+  run_after_include_cpack()
+endif()
diff --git a/Tests/RunCMake/CPack/README.txt b/Tests/RunCMake/CPack/README.txt
index 7c98f69727..cf7c02c79d 100644
--- a/Tests/RunCMake/CPack/README.txt
+++ b/Tests/RunCMake/CPack/README.txt
@@ -91,6 +91,11 @@ If test will be used for multiple generators but some of them require some
 generator specific commands then those commands should be added to 'test.cmake'
 script wrapped with 'if(GENERATOR_TYPE STREQUAL <name_of_the_generator>)'.
 
+NOTE: In some cases (for example when testing CPackComponent.cmake functions)
+the test has to run some functions after CPack.cmake is included. In such cases
+a function run_after_include_cpack can be declared in test.cmake file and that
+function will run after the inclusion of CPack.cmake.
+
 build phase (optional and not available for source package tests)
 -----------------------------------------------------------------