tarantool / luajit / 8509440370

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cmake: replace prove with CTest

The patch replaces the main test runner `prove(1)` with CTest,
see [1] and [2].

Build and test steps look the same as before:

$ cmake -S . -B build
$ cmake --build build --parallel
$ cmake --build build --target [LuaJIT-test, test]

The CMake targets lua-Harness-tests, LuaJIT-tests,
PUC-Rio-Lua-5.1-tests, tarantool-tests and tarantool-c-tests
are still operating.

CMake custom target `test` was replaced by a target with the same
name that is automatically generated by CMake. It is not possible
to attach targets to this automatically generated `test` target.
It means that target `test` is now executing `LuaJIT-test`,
but not `LuaJIT-lint`. To mitigate this, a new target
`LuaJIT-check-all` is introduced. It has the same behaviour as
an old `test` target: it runs all functional tests and linters.

One could use `ctest` tool:

$ ctest --print-labels
Test project <snipped>
All Labels:
  LuaJIT-tests
  PUC-Rio-Lua-5.1-tests
  lua-Harness-tests
  tarantool-c-tests
  tarantool-tests
$ ctest                          # Run all tests.
$ ctest -L tarantool-tests       # Run tests by label.
$ ctest -L tarantool-c-tests     # Ditto.
$ ctest -L lua-Harness-tests     # Ditto.
$ ctest -L LuaJIT-tests          # Ditto.
$ ctest -L PUC-Rio-Lua-5.1-tests # Ditto.
$ ctest --rerun-fail             # Run only the tests
                                 # that failed previously.
$ ctest --verbose                # Print details to stdout.
$ ctest --output-on-failure      # Print details to stdout
                                 # on test failure only.

The benefits are:

- less external dependencies, `prove(1)` is gone, `ctest`
  is a part of CMake
- running tests by test title
- extended test running options in comparison to prove(1)
- unified test output (finally!)

Note that the testsuites in `test/LuaJIT-tests` and
`test/PUC-Rio-Lua-5.1` directories have their own test runners
written in Lua, and currently CTest runs these testsuites
as s... (continued)

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