return getEngine.then(() => {
console.log('Testing compiler version '+compilerVersion+', engine version '+engineVersion);
if(testedEngineVersions.indexOf(engineVersion) < 0) {
testedEngineVersions.push(engineVersion);
}
return util.runProcess(
`node`,
[].concat(
['test-builder.js',
'--compiler-version', compilerVersion,
'--engine-version', engineVersion],
program.keyboards.length ? ['--keyboards', program.keyboards.join(',')] : []
)
);
});