Commit a974c8c90ee65505e611c6992fc5149a7f1d3892

expect whitespaces around the "featuring" strings. Return the original string if "A" in "A feat. B" happens to be an empty string
  
3939 QTest::newRow( "A featuring B" ) << "A featuring B" << "A";
4040 QTest::newRow( "A f. B" ) << "A f. B" << "A";
4141 QTest::newRow( "artist including ft. string" ) << "Aft.B" << "Aft.B";
42 QTest::newRow( "empty A, return original string" ) << " featuring B" << " featuring B";
4243}
4344
4445void