Picking up a couple of review comments

Author: markharwood

client/rest-high-level/src/test/java/org/elasticsearch/client/RequestConvertersTests.java

@@ -2602,7 +2602,7 @@ public void testXPackPutWatch() throws Exception {
         assertThat(bos.toString("UTF-8"), is(body));
     }
 
-    public void testXPackGraphExplore() throws Exception {
+    public void testGraphExplore() throws Exception {
         Map<String, String> expectedParams = new HashMap<>();
 
         GraphExploreRequest graphExploreRequest = new GraphExploreRequest();

x-pack/protocol/src/main/java/org/elasticsearch/protocol/xpack/graph/Connection.java

@@ -55,7 +55,7 @@ public Connection(Vertex from, Vertex to, double weight, long docCount) {
         this.docCount = docCount;
     }
 
-    void readFrom(StreamInput in, Map<VertexId, Vertex> vertices) throws IOException {
+    public Connection(StreamInput in, Map<VertexId, Vertex> vertices) throws IOException {
         from = vertices.get(new VertexId(in.readString(), in.readString()));
         to = vertices.get(new VertexId(in.readString(), in.readString()));
         weight = in.readDouble();

x-pack/protocol/src/main/java/org/elasticsearch/protocol/xpack/graph/GraphExploreResponse.java

@@ -121,8 +121,7 @@ public void readFrom(StreamInput in) throws IOException {
 
         connections = new HashMap<>();
         for (int i = 0; i < size; i++) {
-            Connection e = new Connection();
-            e.readFrom(in, vertices);
+            Connection e = new Connection(in, vertices);
             connections.put(e.getId(), e);
         }