Fix Sonar issue:

Strings literals should be placed on the left side when checking for
equality

Change-Id: I4537e08936731ace55aeecb3ad941269ec1eb191
diff --git a/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java b/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java
index 8d5c55f..ef08c9f 100644
--- a/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java
+++ b/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java
@@ -364,14 +364,14 @@
 
             // check intent type
             final String jsonType = jsonIntent.get("type").asString();
-            if (!jsonType.equals("MockIntent")) {
+            if (!"MockIntent".equals(jsonType)) {
                 reason = "type MockIntent";
                 return false;
             }
 
             // check state field
             final String jsonState = jsonIntent.get("state").asString();
-            if (!jsonState.equals("INSTALLED")) {
+            if (!"INSTALLED".equals(jsonState)) {
                 reason = "state INSTALLED";
                 return false;
             }
diff --git a/web/api/src/test/java/org/onosproject/rest/resources/NetworkConfigWebResourceTest.java b/web/api/src/test/java/org/onosproject/rest/resources/NetworkConfigWebResourceTest.java
index 21b7ca4..c14ba8c 100644
--- a/web/api/src/test/java/org/onosproject/rest/resources/NetworkConfigWebResourceTest.java
+++ b/web/api/src/test/java/org/onosproject/rest/resources/NetworkConfigWebResourceTest.java
@@ -142,9 +142,9 @@
 
         @Override
         public SubjectFactory getSubjectFactory(String subjectClassKey) {
-            if (subjectClassKey.equals("devices")) {
+            if ("devices".equals(subjectClassKey)) {
                 return mockDevicesSubjectFactory;
-            } else if (subjectClassKey.equals("links")) {
+            } else if ("links".equals(subjectClassKey)) {
                 return mockLinksSubjectFactory;
             }
             return null;
diff --git a/web/api/src/test/java/org/onosproject/rest/resources/TopologyResourceTest.java b/web/api/src/test/java/org/onosproject/rest/resources/TopologyResourceTest.java
index 7ed3519..5aafed3 100644
--- a/web/api/src/test/java/org/onosproject/rest/resources/TopologyResourceTest.java
+++ b/web/api/src/test/java/org/onosproject/rest/resources/TopologyResourceTest.java
@@ -140,12 +140,12 @@
 
         @Override
         public boolean isInfrastructure(Topology topology, ConnectPoint connectPoint) {
-            return connectPoint.elementId().toString().equals("dev2");
+            return "dev2".equals(connectPoint.elementId().toString());
         }
 
         @Override
         public boolean isBroadcastPoint(Topology topology, ConnectPoint connectPoint) {
-            return connectPoint.elementId().toString().equals("dev1");
+            return "dev1".equals(connectPoint.elementId().toString());
         }
 
     }