Added additional MurmurHash3 tests, especially to catch the Hash bug.

Author: leerho

…s/memory/internal/MurmurHash3v3Test.java …s/memory/internal/MurmurHash3v4Test.javasrc/test/java/org/apache/datasketches/memory/internal/MurmurHash3v3Test.java renamed to src/test/java/org/apache/datasketches/memory/internal/MurmurHash3v4Test.java src/test/java/org/apache/datasketches/memory/internal/MurmurHash3v3Test.java renamed to src/test/java/org/apache/datasketches/memory/internal/MurmurHash3v4Test.java

@@ -20,17 +20,17 @@
 package org.apache.datasketches.memory.internal;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.apache.datasketches.memory.MurmurHash3.*;
+import static org.apache.datasketches.memory.MurmurHash3.hash;
 import static org.testng.Assert.assertTrue;
 import static org.testng.Assert.fail;
 
 import java.lang.foreign.Arena;
 import java.lang.foreign.MemorySegment;
 import java.nio.ByteOrder;
 
-import org.apache.datasketches.memory.Resource;
 import org.apache.datasketches.memory.Memory;
 import org.apache.datasketches.memory.MemoryRequestServer;
+import org.apache.datasketches.memory.Resource;
 import org.apache.datasketches.memory.WritableMemory;
 import org.testng.Assert;
 import org.testng.annotations.Test;
@@ -41,7 +41,7 @@
  *
  * @author Lee Rhodes
  */
-public class MurmurHash3v3Test {
+public class MurmurHash3v4Test {
   private static final MemoryRequestServer memReqSvr = Resource.defaultMemReqSvr;
 
   @Test