message: fixes broken tests caused by wrong gvt schema
diff: @@ -249,7 +249,7 @@ pub fn issuer_1_gvt_cred_def_id() -> String {
  }
  pub fn issuer_2_gvt_cred_def_id() -> String {
  - cred_def_id(ISSUER_DID_2, &gvt_schema_id_issuer2(), SIGNATURE_TYPE, TAG_1)
  + cred_def_id(ISSUER_DID_2, &gvt_schema_id(), SIGNATURE_TYPE, TAG_1)
  }
  pub fn issuer_1_xyz_cred_def_id() -> String {
  @@ -420,6 +420,7 @@ pub fn issuer_1_gvt_cred_def_json() -> String {
  }).to_string()
  }
  +// This uses gvt schema issued by ISSUER_2
  pub fn issuer_2_gvt_cred_def_json() -> String {
  json!({
  "id":"CnEDk9HrMnmiHXEV1WFgbVCRteYnPqsJwrTdcZaNhFVW:3:CL:CnEDk9HrMnmiHXEV1WFgbVCRteYnPqsJwrTdcZaNhFVW:2:gvt:1.0:TAG_1",
  @@ -502,6 +503,8 @@ pub fn proof_request_attr_and_predicate() -> String {
  })
  }),
  "requested_predicates": json!({
  + "predicate1_referent": json!({ "name":"age", "p_type":">=", "p_value":18 })
  +
  }),
  }).to_string()
  }
  @@ -720,7 +723,7 @@ pub fn schemas_for_proof_restrictions() -> String {
  pub fn cred_defs_for_proof_restrictions() -> String {
  json!({
  - issuer_2_gvt_cred_def_id(): serde_json::from_str::<CredentialDefinition>(&issuer_2_gvt_cred_def_json()).unwrap(),
  + cred_def_id(ISSUER_DID_2, &gvt_schema_id_issuer2(), SIGNATURE_TYPE, TAG_1): serde_json::from_str::<CredentialDefinition>(&issuer_2_gvt_cred_def_json()).unwrap(),
  issuer_1_gvt_cred_def_id(): serde_json::from_str::<CredentialDefinition>(&issuer_1_gvt_cred_def_json()).unwrap(),
  issuer_1_xyz_cred_def_id(): serde_json::from_str::<CredentialDefinition>(&issuer_1_xyz_cred_def_json()).unwrap(),
  issuer_1_xyz_tag2_cred_def_id(): serde_json::from_str::<CredentialDefinition>(&issuer_1_xyz_tag2_cred_def_json()).unwrap(),
  