Convert to Read-Only exception.

Author: leerho

src/test/java/org/apache/datasketches/hll/DirectHllSketchTest.java

@@ -25,11 +25,11 @@
 
 import java.util.HashSet;
 
-import org.testng.annotations.Test;
-
+import org.apache.datasketches.SketchesArgumentException;
+import org.apache.datasketches.SketchesReadOnlyException;
 import org.apache.datasketches.memory.Memory;
 import org.apache.datasketches.memory.WritableMemory;
-import org.apache.datasketches.SketchesArgumentException;
+import org.testng.annotations.Test;
 
 /**
  * @author Lee Rhodes
@@ -58,7 +58,7 @@ private static void noWriteAccess(TgtHllType tgtHllType, int n) {
     try {
       sk2.update(1);
       fail();
-    } catch (SketchesArgumentException e) {
+    } catch (SketchesReadOnlyException e) {
       //expected
     }
   }

src/test/java/org/apache/datasketches/hll/HllArrayTest.java

@@ -138,7 +138,7 @@ public void printlnTest() {
    * @param s value to print
    */
   static void println(String s) {
-    System.out.println(s); //disable here
+    //System.out.println(s); //disable here
   }
 
 }