Fix Sonar issues in apex

Fixing various Sonar issues in apex.

Issue-ID: POLICY-1034
Change-Id: Ie693637d75bd7e38c71b7ba04886fb75636276ed
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/testsuites/integration/integration-context-test/src/test/java/org/onap/policy/apex/testsuites/integration/context/TestConcurrentContext.java b/testsuites/integration/integration-context-test/src/test/java/org/onap/policy/apex/testsuites/integration/context/TestConcurrentContext.java
index 5fadb2279..a62414ac6 100644
--- a/testsuites/integration/integration-context-test/src/test/java/org/onap/policy/apex/testsuites/integration/context/TestConcurrentContext.java
+++ b/testsuites/integration/integration-context-test/src/test/java/org/onap/policy/apex/testsuites/integration/context/TestConcurrentContext.java
@@ -30,7 +30,7 @@ import java.io.File;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.util.Map;
-import java.util.TreeSet;
+import java.util.SortedSet;
 
 import org.junit.BeforeClass;
 import org.junit.Rule;
@@ -106,7 +106,7 @@ public class TestConcurrentContext {
         final String hazelCastfileLocation = ResourceUtils.getFilePath4Resource(HAZELCAST_XML_FILE);
         System.setProperty(HAZELCAST_CONFIG, hazelCastfileLocation);
 
-        final TreeSet<String> ipAddressSet = NetworkUtils.getIPv4NonLoopAddresses();
+        final SortedSet<String> ipAddressSet = NetworkUtils.getIPv4NonLoopAddresses();
 
         if (ipAddressSet.size() == 0) {
             throw new Exception("cound not find real IP address for test");