add some boundary

tests/Partitioning/swen90006/passbook/PartitioningTests.java

@@ -231,7 +231,7 @@ public class PartitioningTests
     @Test public void NocontainLowerCase() throws DuplicateUserException {
         boolean WeakPassphraseException = false;
     	String passbookUsername = "AlexTina";
-        String passbookphrase = "ABCD1234";
+        String passbookphrase = "ABCZ0239";
         try {
         	pb.addUser(passbookUsername, passbookphrase);
         }
@@ -245,7 +245,7 @@ public class PartitioningTests
     @Test public void NocontainUpperCase() throws DuplicateUserException {
         boolean WeakPassphraseException = false;
     	String passbookUsername = "AlexTina";
-        String passbookphrase = "abcd1234";
+        String passbookphrase = "abcz0239";
         try {
         	pb.addUser(passbookUsername, passbookphrase);
         }
@@ -259,7 +259,7 @@ public class PartitioningTests
     @Test public void NocontainNumCase() throws DuplicateUserException {
         boolean WeakPassphraseException = false;
     	String passbookUsername = "AlexTina";
-        String passbookphrase = "abcdABCD";
+        String passbookphrase = "abczABCZ";
         try {
         	pb.addUser(passbookUsername, passbookphrase);
         }
@@ -273,7 +273,7 @@ public class PartitioningTests
     	boolean NoSuchUserException = false;
     	boolean WeakPassphraseException = false;
     	String passbookUsername = "AlexTina";
-        String passbookphrase = "abABCD12";
+        String passbookphrase = "azABCZ09";
         try {
         	pb.addUser(passbookUsername, passbookphrase);
         	pb.loginUser(passbookUsername, passbookphrase);