def METHOD_NAME(self):
    """Test type."""
    credential_proposal = CredentialProposal(
        comment="Hello World",
        credential_proposal=CRED_PREVIEW,
        schema_id="GMm4vMw8LLrLJjp81kRRLp:2:ahoy:1560364003.0",
        cred_def_id="GMm4vMw8LLrLJjp81kRRLp:3:CL:12:tag",
    )
    assert credential_proposal._type == DIDCommPrefix.qualify_current(
        CREDENTIAL_PROPOSAL
    )