8299441: Fix typos in some test files under core-libs component

Co-authored-by: Michael Ernst <mernst@openjdk.org>
Reviewed-by: lancea

test/jdk/javax/script/GetInterfaceTest.java

@@ -35,7 +35,7 @@ public class GetInterfaceTest {
         ScriptEngine engine = manager.getEngineByName("nashorn");
 
         if (engine == null) {
-            System.out.println("Warning: No js engine engine found; test vacuously passes.");
+            System.out.println("Warning: No js engine found; test vacuously passes.");
             return;
         }
 

test/jdk/javax/sql/testng/test/rowset/cachedrowset/CommonCachedRowSetTests.java

@@ -1401,7 +1401,7 @@ public abstract class CommonCachedRowSetTests extends CommonRowSetTests {
         rs.updateString(2, coffee);
         rs.updateInt(5, sales);
         // MetaData should match
-        try ( // Get the original original RowSet and validate that the changes
+        try ( // Get the original RowSet and validate that the changes
                 // are only made to the current, not the original
                 ResultSet rs1 = rs.getOriginal()) {
             // MetaData should match
@@ -1444,7 +1444,7 @@ public abstract class CommonCachedRowSetTests extends CommonRowSetTests {
         rs.updateString(2, coffee);
         rs.updateInt(5, sales);
         // MetaData should match
-        try ( // Get the original original row and validate that the changes
+        try ( // Get the original row and validate that the changes
                 // are only made to the current, not the original
                 ResultSet rs1 = rs.getOriginalRow()) {
             // MetaData should match

test/jdk/javax/sql/testng/test/rowset/serial/SerialDataLinkTests.java

@@ -99,7 +99,7 @@ public class SerialDataLinkTests extends BaseTest {
 
     /**
      * Validate that a SerialDatalink that is serialized & deserialized is not equal
-     * to to a SerialDatalink created using a different URL
+     * to a SerialDatalink created using a different URL
      */
     @Test
     public void test05() throws Exception {

test/micro/org/openjdk/bench/java/lang/ArrayFiddle.java

@@ -45,7 +45,7 @@ import java.util.concurrent.TimeUnit;
  * simple_copyLoop is surprisingly 5x slower.  The array copying intrinsics
  * are very effective and a naive loop does not get optimized the same way.
  * OTOH there is no intrinsic for Arrays.fill but the naive array zeroing loop
- * *does* get optimized to something a little faster than than arraycopy.
+ * *does* get optimized to something a little faster than arraycopy.
  *
  * System.arraycopy and Arrays.fill have such outstanding performance that
  * one should use them to replace handwritten loops whenever possible.