diff --git a/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationWorkbook.java b/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationWorkbook.java
index a42815a07..b936a5476 100644
--- a/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationWorkbook.java
+++ b/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationWorkbook.java
@@ -34,8 +34,6 @@ import org.apache.poi.ss.usermodel.Workbook;
  * Represents a workbook being used for forked evaluation. Most operations are delegated to the
  * shared master workbook, except those that potentially involve cell values that may have been
  * updated after a call to {@link #getOrCreateUpdatableCell(String, int, int)}.
- *
- * @author Josh Micich
  */
 final class ForkedEvaluationWorkbook implements EvaluationWorkbook {
 
@@ -69,15 +67,9 @@ final class ForkedEvaluationWorkbook implements EvaluationWorkbook {
 	}
 
 	public void copyUpdatedCells(Workbook workbook) {
-		String[] sheetNames = new String[_sharedSheetsByName.size()];
-		_sharedSheetsByName.keySet().toArray(sheetNames);
-		OrderedSheet[] oss = new OrderedSheet[sheetNames.length];
-		for (int i = 0; i < sheetNames.length; i++) {
-			String sheetName = sheetNames[i];
-			oss[i] = new OrderedSheet(sheetName, _masterBook.getSheetIndex(sheetName));
-		}
-		for (int i = 0; i < oss.length; i++) {
-			String sheetName = oss[i].getSheetName();
+        String[] sheetNames = new String[_sharedSheetsByName.size()];
+        _sharedSheetsByName.keySet().toArray(sheetNames);
+		for (String sheetName : sheetNames) {
 			ForkedEvaluationSheet sheet = _sharedSheetsByName.get(sheetName);
 			sheet.copyUpdatedCells(workbook.getSheet(sheetName));
 		}
@@ -144,20 +136,4 @@ final class ForkedEvaluationWorkbook implements EvaluationWorkbook {
     public UDFFinder getUDFFinder(){
         return _masterBook.getUDFFinder();
     }
-
-	private static final class OrderedSheet implements Comparable<OrderedSheet> {
-		private final String _sheetName;
-		private final int _index;
-
-		public OrderedSheet(String sheetName, int index) {
-			_sheetName = sheetName;
-			_index = index;
-		}
-		public String getSheetName() {
-			return _sheetName;
-		}
-		public int compareTo(OrderedSheet o) {
-			return _index - o._index;
-		}
-	}
 }
diff --git a/src/scratchpad/src/org/apache/poi/hwpf/model/ListLevel.java b/src/scratchpad/src/org/apache/poi/hwpf/model/ListLevel.java
index 5c8b9b969..0e710a159 100644
--- a/src/scratchpad/src/org/apache/poi/hwpf/model/ListLevel.java
+++ b/src/scratchpad/src/org/apache/poi/hwpf/model/ListLevel.java
@@ -96,8 +96,8 @@ public final class ListLevel
         setStartAt( startAt );
         _lvlf.setNfc( (byte) numberFormatCode );
         _lvlf.setJc( (byte) alignment );
-        _grpprlChpx = numberProperties;
-        _grpprlPapx = entryProperties;
+        _grpprlChpx = numberProperties.clone();
+        _grpprlPapx = entryProperties.clone();
         _xst = new Xst(numberText);
     }
 
diff --git a/src/testcases/org/apache/poi/ss/formula/eval/forked/TestForkedEvaluator.java b/src/testcases/org/apache/poi/ss/formula/eval/forked/TestForkedEvaluator.java
index 505ea127b..fc945c7ff 100644
--- a/src/testcases/org/apache/poi/ss/formula/eval/forked/TestForkedEvaluator.java
+++ b/src/testcases/org/apache/poi/ss/formula/eval/forked/TestForkedEvaluator.java
@@ -17,19 +17,24 @@
 
 package org.apache.poi.ss.formula.eval.forked;
 
-import junit.framework.AssertionFailedError;
-import junit.framework.TestCase;
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
 
-import org.apache.poi.ss.formula.eval.NumberEval;
 import org.apache.poi.hssf.usermodel.HSSFRow;
 import org.apache.poi.hssf.usermodel.HSSFSheet;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.ss.formula.IStabilityClassifier;
+import org.apache.poi.ss.formula.eval.NumberEval;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
 
-/**
- * @author Josh Micich
- */
-public final class TestForkedEvaluator extends TestCase {
+public final class TestForkedEvaluator {
+    
+    @Rule
+    public ExpectedException expectedEx = ExpectedException.none();
+    
 	/**
 	 * set up a calculation workbook with input cells nicely segregated on a
 	 * sheet called "Inputs"
@@ -53,7 +58,8 @@ public final class TestForkedEvaluator extends TestCase {
 	/**
 	 * Shows a basic use-case for {@link ForkedEvaluator}
 	 */
-	public void testBasic() {
+	@Test
+	public void testBasic() throws IOException {
 		HSSFWorkbook wb = createWorkbook();
 
 		// The stability classifier is useful to reduce memory consumption of caching logic
@@ -78,6 +84,8 @@ public final class TestForkedEvaluator extends TestCase {
 		assertEquals(4.0, ((NumberEval) fe2.evaluate("Calculations", 0, 0)).getNumberValue(), 0.0);
 		fe1.updateCell("Inputs", 0, 0, new NumberEval(3.0));
 		assertEquals(13.9, ((NumberEval) fe1.evaluate("Calculations", 0, 0)).getNumberValue(), 0.0);
+		
+		wb.close();
 	}
 
 	/**
@@ -90,29 +98,19 @@ public final class TestForkedEvaluator extends TestCase {
 	 * was considered less desirable because so far, the underlying 'master' workbook is strictly
 	 * <i>read-only</i> with respect to the ForkedEvaluator.
 	 */
-	public void testMissingInputCell() {
+	@Test
+	public void testMissingInputCell() throws IOException {
+	    expectedEx.expect(UnsupportedOperationException.class);
+	    expectedEx.expectMessage("Underlying cell 'A2' is missing in master sheet.");
+	    
 		HSSFWorkbook wb = createWorkbook();
 
-		ForkedEvaluator fe = ForkedEvaluator.create(wb, null, null);
-
-		// attempt update input at cell A2 (which is missing)
 		try {
-			fe.updateCell("Inputs", 1, 0, new NumberEval(4.0));
-			throw new AssertionFailedError(
-					"Expected exception to be thrown due to missing input cell");
-		} catch (NullPointerException e) {
-			StackTraceElement[] stes = e.getStackTrace();
-			if (stes[0].getMethodName().equals("getIdentityKey")) {
-				throw new AssertionFailedError("Identified bug with update of missing input cell");
-			}
-			throw e;
-		} catch (UnsupportedOperationException e) {
-			if (e.getMessage().equals(
-					"Underlying cell 'A2' is missing in master sheet.")) {
-				// expected during successful test
-			} else {
-				throw e;
-			}
+    		ForkedEvaluator fe = ForkedEvaluator.create(wb, null, null);
+    		// attempt update input at cell A2 (which is missing)
+            fe.updateCell("Inputs", 1, 0, new NumberEval(4.0));
+		} finally {
+		    wb.close();
 		}
 	}
 }