svoid test_fullPhraseCache_group() {
  // put in empty phrase to annoy grouper
  assertEqualsVerbose("{the guy} met {another guy} somewhere",
    fullPhraseCache_group(makeFullPhraseCache("", "the guy", "another guy"),
      "the guy met another guy somewhere"));
  assertEqualsVerbose("{my friend} - {very NICE}",
    fullPhraseCache_group(makeFullPhraseCache("my friend", "very nice"),
      "my friend - very NICE"));
}