Add test for type url order.

tests/10-vcdm2.js

@@ -237,9 +237,12 @@ describe('Verifiable Credentials Data Model v2.0', function() {
         await assert.rejects(
           issue(require('./input/credential-type-unmapped-fail.json')));
       });
-      //FIXME how to test this?
-      it.skip('type property: "If more than one URL is provided, the URLs ' +
+      it('type property: "If more than one URL is provided, the URLs ' +
         'MUST be interpreted as an unordered set."', async function() {
+        //issue VC with multiple urls in type property
+        await issue(require('./input/credential-type-urls-order-1-ok.json'));
+        //issue another VC with same urls in a different order
+        await issue(require('./input/credential-type-urls-order-2-ok.json'));
       });
       // FIXME this needs to be expanded into at least 6 different tests
       // Verifiable Credential MUST have a type specified

tests/input/credential-type-urls-order-1-ok.json

@@ -0,0 +1,15 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/credentials/v2"
+  ],
+  "type": [
+    "VerifiableCredential",
+    "https://example.org/#ExampleCredential1",
+    "https://example.org/#ExampleCredential2"
+  ],
+  "validFrom": "2023-02-23T21:41:38Z",
+  "issuer": "did:example:issuer",
+  "credentialSubject": {
+    "id": "did:example:subject"
+  }
+}

tests/input/credential-type-urls-order-2-ok.json

@@ -0,0 +1,15 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/credentials/v2"
+  ],
+  "type": [
+    "VerifiableCredential",
+    "https://example.org/#ExampleCredential2",
+    "https://example.org/#ExampleCredential1"
+  ],
+  "validFrom": "2023-02-23T21:41:38Z",
+  "issuer": "did:example:issuer",
+  "credentialSubject": {
+    "id": "did:example:subject"
+  }
+}