### Question:
TokenResponse implements Persistable { public String getRefreshToken() { return refresh_token; } TokenResponse(); @NonNull String getAccessToken(); @NonNull String getTokenType(); @NonNull String getExpiresIn(); @NonNull String getScope(); String getRefreshToken(); String getIdToken(); void setCreationTime(long creationTime); long getExpiresAt(); @NonNull @Override String getKey(); @Override String persist(); static final Persistable.Restore<TokenResponse> RESTORE; }### Answer:
@Test public void getRefreshToken() { assertEquals(mToken.getRefreshToken(), REFRESH_TOKEN); }