### Question:
FixSessionSettingsProviderImpl implements FixSessionSettingsProvider { @Override public String getSenderSubID() { return senderSubID; } private  FixSessionSettingsProviderImpl(Builder builder); static Builder newBuilder(); static Builder newBuilder(FixSessionSettingsProviderImpl copy); @Override String getSenderCompID(); @Override String getSenderSubID(); @Override String getSenderLocationID(); @Override String getTargetCompID(); @Override String getTargetSubID(); @Override String getTargetLocationID(); @Override String getBeginString(); @Override boolean isResetMsgSeqNum(); @Override int getHeartbeatInterval(); @Override String getTimeStampPrecision(); @Override String getDefaultApplVerID(); @Override String getDefaultApplExtID(); @Override String getProperty(String key, String defaultValue);  }### Answer:
@Test public void testGetSenderSubID() { assertEquals(senderSubID, settingsProvider.getSenderSubID()); }