NFC-115 Fix tests

Signed-off-by: Sander Kondratjev <sander.kondratjev@nortal.com>

Author: SanderKondratjevNortal

src/test/java/eu/webeid/security/testutil/AbstractTestWithValidator.java

@@ -23,6 +23,7 @@
 package eu.webeid.security.testutil;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import eu.webeid.security.authtoken.WebEidAuthToken;
 import eu.webeid.security.exceptions.AuthTokenException;
@@ -78,7 +79,12 @@ protected WebEidAuthToken replaceTokenField(String token, String field, String v
     protected WebEidAuthToken removeJsonField() throws Exception {
         ObjectMapper mapper = new ObjectMapper();
         ObjectNode node = (ObjectNode) mapper.readTree(AbstractTestWithValidator.VALID_V11_AUTH_TOKEN);
-        node.remove("supportedSignatureAlgorithms");
+
+        ArrayNode certs = (ArrayNode) node.get("unverifiedSigningCertificates");
+        ObjectNode certNode = (ObjectNode) certs.get(0);
+
+        certNode.remove("supportedSignatureAlgorithms");
+
         return validator.parse(mapper.writeValueAsString(node));
     }
 }