--- a/mobile/android/tests/background/junit4/src/org/mozilla/gecko/browserid/test/TestJSONWebTokenUtils.java
+++ b/mobile/android/tests/background/junit4/src/org/mozilla/gecko/browserid/test/TestJSONWebTokenUtils.java
@@ -116,21 +116,22 @@ public class TestJSONWebTokenUtils {
     SigningPrivateKey mockMyIdPrivateKey = DSACryptoImplementation.createPrivateKey(MOCKMYID_x, MOCKMYID_p, MOCKMYID_q, MOCKMYID_g);
     VerifyingPublicKey publicKeyToSign = DSACryptoImplementation.createPublicKey(y, p, q, g);
     SigningPrivateKey privateKeyToSignWith = DSACryptoImplementation.createPrivateKey(x, p, q, g);
 
     String certificate = JSONWebTokenUtils.createCertificate(publicKeyToSign, "test@mockmyid.com", "mockmyid.com", iat, exp, mockMyIdPrivateKey);
     String assertion = JSONWebTokenUtils.createAssertion(privateKeyToSignWith, certificate, TEST_AUDIENCE, TEST_ASSERTION_ISSUER, iat, exp);
     String payload = JSONWebTokenUtils.decode(certificate, mockMyIdPublicKey);
 
-    String EXPECTED_PAYLOAD = "{\"exp\":1380073962995,\"iat\":1380070362995,\"iss\":\"mockmyid.com\",\"principal\":{\"email\":\"test@mockmyid.com\"},\"public-key\":{\"g\":\"f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d0782675159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e13c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243bcca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a\",\"q\":\"9760508f15230bccb292b982a2eb840bf0581cf5\",\"p\":\"fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b76b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7\",\"y\":\"ea809be508bc94485553efac8ef2a8debdcdb3545ce433e8bd5889ec9d0880a13b2a8af35451161e58229d1e2be69e74a7251465a394913e8e64b0c33fde39a637b6047d7370178cf4404c0a7b4c2ed31d9cfe03ab79dbcc64667e6e7bc244eb1c127c28d725db94aff29b858bdb636f1307bdf48b3c91f387c2ab588086b6c8\",\"algorithm\":\"DS\"}}";
-    Assert.assertEquals(EXPECTED_PAYLOAD, payload);
+    ExtendedJSONObject jsonPayload = new ExtendedJSONObject(payload);
+    ExtendedJSONObject EXPECTED_PAYLOAD = new ExtendedJSONObject("{\"exp\":1380073962995,\"iat\":1380070362995,\"iss\":\"mockmyid.com\",\"principal\":{\"email\":\"test@mockmyid.com\"},\"public-key\":{\"g\":\"f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d0782675159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e13c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243bcca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a\",\"q\":\"9760508f15230bccb292b982a2eb840bf0581cf5\",\"p\":\"fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b76b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7\",\"y\":\"ea809be508bc94485553efac8ef2a8debdcdb3545ce433e8bd5889ec9d0880a13b2a8af35451161e58229d1e2be69e74a7251465a394913e8e64b0c33fde39a637b6047d7370178cf4404c0a7b4c2ed31d9cfe03ab79dbcc64667e6e7bc244eb1c127c28d725db94aff29b858bdb636f1307bdf48b3c91f387c2ab588086b6c8\",\"algorithm\":\"DS\"}}");
+    Assert.assertTrue(EXPECTED_PAYLOAD.equals(jsonPayload));
 
     // Really(!) brittle tests below.  The DSA signature algorithm is not deterministic, so we can't test the actual signature.
-    String EXPECTED_CERTIFICATE_PREFIX = "eyJhbGciOiJEUzEyOCJ9.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";
+    String EXPECTED_CERTIFICATE_PREFIX = "eyJhbGciOiJEUzEyOCJ9.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";
     String[] expectedCertificateParts = EXPECTED_CERTIFICATE_PREFIX.split("\\.");
     String[] certificateParts = certificate.split("\\.");
     Assert.assertEquals(expectedCertificateParts[0], certificateParts[0]);
     Assert.assertEquals(expectedCertificateParts[1], certificateParts[1]);
 
     String EXPECTED_ASSERTION_FRAGMENT = "eyJhbGciOiJEUzEyOCJ9.eyJhdWQiOiJodHRwOlwvXC9sb2NhbGhvc3Q6ODA4MCIsImV4cCI6MTM4MDA3Mzk2Mjk5NSwiaWF0IjoxMzgwMDcwMzYyOTk1LCJpc3MiOiIxMjcuMC4wLjEifQ";
     String[] expectedAssertionParts = EXPECTED_ASSERTION_FRAGMENT.split("\\.");
     String[] assertionParts = assertion.split("~")[1].split("\\.");