Go to: 
then click on the last green action and download the artifact.
Unzip it to some place and run:
java -jar crml-compiler-all.jar c:/path/to/girepo/crml-compiler/tests/unit
A directory generated/ will be created and for each crml test in the directory above a Modelica file will be created in the generated/ directory.
To build and run the tests of the parser on the crml files
# build the parser/translator and run the tests
make
# to clean the repository
make clean
To build and run the tests of the parser/translator on the crml files
project-run.bat
REM to clean call: project-clean.bat
The documentation for CRML can be found HERE