diff --git a/packages/credentials/tests/VCs/invalid/invalid-vc-4-wrong-context.json b/packages/credentials/tests/VCs/invalid/invalid-vc-4-wrong-context.json
new file mode 100644
index 000000000..394b3eaa4
--- /dev/null
+++ b/packages/credentials/tests/VCs/invalid/invalid-vc-4-wrong-context.json
@@ -0,0 +1,30 @@
+{
+  "@context": ["https://www.w3.org/2018/fakelol/v1"],
+  "id": "http://example.edu/credentials/1872",
+  "type": ["VerifiableCredential", "AlumniCredential"],
+  "issuer": "https://example.edu/issuers/565049",
+  "issuanceDate": "2010-01-01T19:23:24Z",
+  "credentialSubject": {
+    "id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
+    "alumniOf": {
+      "id": "did:example:c276e12ec21ebfeb1f712ebc6f1",
+      "name": [
+        {
+          "value": "Example University",
+          "lang": "en"
+        },
+        {
+          "value": "Exemple d'Université",
+          "lang": "fr"
+        }
+      ]
+    }
+  },
+  "proof": {
+    "type": "RsaSignature2018",
+    "created": "2017-06-18T21:19:10Z",
+    "proofPurpose": "assertionMethod",
+    "verificationMethod": "https://example.edu/issuers/565049/keys/1",
+    "jws": "eyJhbGciOiJSUzI1NiIsImI2NCI6ZmFsc2UsImNyaXQiOlsiYjY0Il19..TCYt5XsITJX1CxPCT8yAV-TVkIEq_PbChOMqsLfRoPsnsgw5WEuts01mq-pQy7UJiN5mgRxD-WUcX16dUEMGlv50aqzpqh4Qktb3rk-BuQy72IFLOqV0G_zS245-kronKb78cPN25DGlcTwLtjPAYuNzVBAh4vGHSrQyHUdBBPM"
+  }
+}
diff --git a/packages/credentials/tests/VCs/invalid/invalid-vc-5-wrong-issuance-date-format.json b/packages/credentials/tests/VCs/invalid/invalid-vc-5-wrong-issuance-date-format.json
new file mode 100644
index 000000000..0276a6947
--- /dev/null
+++ b/packages/credentials/tests/VCs/invalid/invalid-vc-5-wrong-issuance-date-format.json
@@ -0,0 +1,33 @@
+{
+  "@context": [
+    "https://www.w3.org/2018/credentials/v1",
+    "https://www.w3.org/2018/credentials/examples/v1"
+  ],
+  "id": "http://example.edu/credentials/1872",
+  "type": ["VerifiableCredential", "AlumniCredential"],
+  "issuer": "https://example.edu/issuers/565049",
+  "issuanceDate": "20100101T192324Z",
+  "credentialSubject": {
+    "id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
+    "alumniOf": {
+      "id": "did:example:c276e12ec21ebfeb1f712ebc6f1",
+      "name": [
+        {
+          "value": "Example University",
+          "lang": "en"
+        },
+        {
+          "value": "Exemple d'Université",
+          "lang": "fr"
+        }
+      ]
+    }
+  },
+  "proof": {
+    "type": "RsaSignature2018",
+    "created": "2017-06-18T21:19:10Z",
+    "proofPurpose": "assertionMethod",
+    "verificationMethod": "https://example.edu/issuers/565049/keys/1",
+    "jws": "eyJhbGciOiJSUzI1NiIsImI2NCI6ZmFsc2UsImNyaXQiOlsiYjY0Il19..TCYt5XsITJX1CxPCT8yAV-TVkIEq_PbChOMqsLfRoPsnsgw5WEuts01mq-pQy7UJiN5mgRxD-WUcX16dUEMGlv50aqzpqh4Qktb3rk-BuQy72IFLOqV0G_zS245-kronKb78cPN25DGlcTwLtjPAYuNzVBAh4vGHSrQyHUdBBPM"
+  }
+}