CMake PyExamples: merge lines, update file comment

Tests/Functional/Python/PyExamples/CMakeLists.txt

 ###############################################################################
 # Tests/Functional/PyExamples/CMakeLists.txt
 #
-# > Test functionality of all examples found in PY_EXAMPLES_DIR = <BornAgain>/Examples/python
-# > Validates selected examples against reference files
+# Runs check_functionality.py over example scripts found in PY_EXAMPLES_DIR
 #
 ###############################################################################
 
@@ -15,15 +14,12 @@ file(GLOB fit_examples
 set(examples ${sim_examples} ${fit_examples})
 
 set(test_script ${output_dir}/check_functionality.py)
-
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/check_functionality.py ${test_script} @ONLY)
 
-foreach(example ${examples})
-    set(script_path ${example})
-
-    get_filename_component(script_name ${script_path} NAME_WE)
-    set(test_name PyExamples.${script_name})
+foreach(example_path ${examples})
+    get_filename_component(example_name ${example_path} NAME_WE)
+    set(test_name PyExamples.${example_name})
 
-    add_test(${test_name} ${Python3_EXECUTABLE} ${test_script} ${script_path})
+    add_test(${test_name} ${Python3_EXECUTABLE} ${test_script} ${example_path})
     set_tests_properties(${test_name} PROPERTIES LABELS "Fullcheck")
 endforeach()