function getKarmaConfig(browserMatrixOverrides, configOverrides) {
  console.log('Browser-suite: ' + browserSuiteToUse);
  browserMatrixOverrides = Object.assign(
    {},
    defaultBrowserMatrix,
    browserMatrixOverrides
  );
  const browsers = browserMatrixOverrides[browserSuiteToUse];
  console.log('Browsers to test: ' + browsers.join(', '));
  const finalConfig = Object.assign({}, karmaCommon, configOverrides, {
    browsers,
  });
  return finalConfig;
}
@param browserMatrixOverrides {{full: string[], ci: string[]}}
 Map between browser suite and array of browser to test.
@param configOverrides {Object} configOverrides to the common template