### Question:
MomentAdCampaign implements AdCampaign { @Override public String getMountName() { return ""; } MomentAdCampaign(Moment moment, MomentFactory factory); @Override AdId getId(); @Override String getInterfaceName(); @Override Attributes getAttributes(); @Override Attachments getAttachments(); @Override String getMountName(); @Override Object makeService(); @Override List<BlessingPattern> getVisibility(); static final String INTERFACE_NAME; static final String QUERY; static final List<BlessingPattern> NO_PATTERNS; }### Answer:
@Test public void emptyMountName() throws Exception { assertEquals("", mCampaign.getMountName()); }