Update cheatsheets

ctest

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ctest
+
+> CMake test driver program.
+> More information: <https://gitlab.kitware.com/cmake/community/wikis/doc/ctest/Testing-With-CTest>.
+
+- Run all tests defined in the CMake project, executing 4 jobs at a time in parallel:
+
+`ctest -j{{4}} --output-on-failure`
+
+- List available tests:
+
+`ctest -N`
+
+- Run a single test based on its name, or filter on a regular expression:
+
+`ctest --output-on-failure -R '^{{test_name}}$'`