solution("BlTWkPaAOEjPacvPtykgCOTzDXNevA")
expected: ["vA"]
     got: ["Bl", "TW", "kP", "aA", "OE", "jP", "ac", "vP", "ty", "kg", "CO", "Tz", "DX", "Ne", "vA"]

i'm assuming the test cases are incorrect? (ruby)