componentThemes = [A, B];
    bsComponents = {a: { test: true }, b: { test: true }, c: { test: false }, d: { test: true }};

    for (let i = 0; componentThemes.length > i; i++) {
      for (const key in bsComponents) {
        if (key === componentThemes[i].toLowerCase()) {
          filteredTheme = Object.assign({}, bsComponents[key].defaultProps.theme);
        }
      }
    }
    console.log(filteredTheme)

expectedRestul = {
  test: true
  test: false}

actualResult = {
  test: false
}