Replace deprecated JsonObject.readFrom() with Json.parse().asObject

Change-Id: I9e6e5a83edfd2c6abc694c1cc1e939b0b826e980
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 a983fc2..569cc6a 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
@@ -19,6 +19,7 @@
 import java.util.HashSet;
 import java.util.Set;
 
+import com.eclipsesource.json.Json;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -269,7 +270,7 @@
         final WebResource rs = resource();
         final String response = rs.path("network/configuration").get(String.class);
 
-        final JsonObject result = JsonObject.readFrom(response);
+        final JsonObject result = Json.parse(response).asObject();
         Assert.assertThat(result, notNullValue());
 
         Assert.assertThat(result.names(), hasSize(2));
@@ -296,7 +297,7 @@
         final WebResource rs = resource();
         final String response = rs.path("network/configuration/devices").get(String.class);
 
-        final JsonObject result = JsonObject.readFrom(response);
+        final JsonObject result = Json.parse(response).asObject();
         Assert.assertThat(result, notNullValue());
 
         Assert.assertThat(result.names(), hasSize(1));
@@ -322,7 +323,7 @@
                 rs.path("network/configuration/devices/device1")
                         .get(String.class);
 
-        final JsonObject result = JsonObject.readFrom(response);
+        final JsonObject result = Json.parse(response).asObject();
         Assert.assertThat(result, notNullValue());
 
         Assert.assertThat(result.names(), hasSize(1));
@@ -345,7 +346,7 @@
                 rs.path("network/configuration/devices/device1/basic")
                         .get(String.class);
 
-        final JsonObject result = JsonObject.readFrom(response);
+        final JsonObject result = Json.parse(response).asObject();
         Assert.assertThat(result, notNullValue());
 
         Assert.assertThat(result.names(), hasSize(2));