Merge topic 'tutorial_step5_cleanup'

43f87741f4 Tutorial: Fix Step 5 solution after update to Step 6

Acked-by: Kitware Robot <[email protected]>
Merge-request: !7838

Help/guide/tutorial/Installing and Testing.rst

@@ -145,7 +145,7 @@ are similar. To the end of the top-level ``CMakeLists.txt`` we add:
   :name: TODO 3,4: CMakeLists.txt-install-TARGETS
   :language: cmake
   :start-after: # add the install targets
-  :end-before: # enable testing
+  :end-before: # TODO 1: Replace enable_testing() with include(CTest)
 
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