Tests: Add test for --list-presets=all

Tests/RunCMake/CMakePresets/DocumentationExampleListAllPresets-stdout.txt

@@ -0,0 +1,18 @@
+^Not searching for unused variables given on the command line\.
+Available configure presets:
+
+  "default"      ?- Default Config
+  "ninja-multi"  ?- Ninja Multi-Config(
+  "windows-only" - Windows-only configuration)?
+
+Available build presets:
+
+  "default"
+
+Available test presets:
+
+  "default"
+
+Available package presets:
+
+  "default"$

Tests/RunCMake/CMakePresets/RunCMakeTest.cmake

@@ -408,4 +408,5 @@ set(CMakePresets_EXTRA_FILES
   "${RunCMake_SOURCE_DIR}/moreThings.json.in"
 )
 run_cmake_presets(DocumentationExample --preset=default)
+run_cmake_presets(DocumentationExampleListAllPresets --list-presets=all)
 unset(CMakePresets_EXTRA_FILES)