address comments

examples/java-matter-controller/java/src/com/matter/controller/commands/pairing/PairOnNetworkLongImReadCommand.kt

@@ -98,7 +98,7 @@ class PairOnNetworkLongImReadCommand(
 
       val unitTestCluster =
         requireNotNull(endpointOne.getClusterState(UNIT_TEST_CLUSTER)) {
-          "unit test cluster not found."
+          "Unit test cluster not found."
         }
 
       val startUpEvents =

src/controller/java/src/chip/devicecontroller/model/Status.java

@@ -31,7 +31,7 @@ private Status(int status, Optional<Integer> clusterStatus) {
   }
 
   // Getters
-  public int getStatus() {
+  public Integer getStatus() {
     return status;
   }