Fixes more broken IE8 tests for column reorder

Change-Id: I65e88beb48fdc10999162a22f4768149b157bbe5

uitest/src/com/vaadin/tests/components/grid/basicfeatures/GridColumnReorderTest.java

@@ -318,7 +318,7 @@ public class GridColumnReorderTest extends GridBasicClientFeaturesTest {
         selectMenuPath("Component", "Header", "Append row");
         selectMenuPath("Component", "Header", "Append row");
         selectMenuPath("Component", "Header", "Row 2", "Join columns 3, 4, 5");
-        dragAndDropColumnHeader(0, 0, 4, 100);
+        dragAndDropColumnHeader(0, 0, 4, 120);
         selectMenuPath("Component", "Header", "Row 3", "Join columns 1, 2");
         scrollGridHorizontallyTo(0);
         assertColumnHeaderOrder(1, 2, 3, 4, 5);
@@ -357,7 +357,7 @@ public class GridColumnReorderTest extends GridBasicClientFeaturesTest {
         selectMenuPath("Component", "Header", "Append row");
         selectMenuPath("Component", "Header", "Append row");
         selectMenuPath("Component", "Header", "Row 2", "Join columns 3, 4, 5");
-        dragAndDropColumnHeader(0, 0, 4, 100);
+        dragAndDropColumnHeader(0, 0, 4, 120);
         scrollGridHorizontallyTo(0);
         dragAndDropColumnHeader(0, 1, 4, 100);
         scrollGridHorizontallyTo(0);

uitest/src/com/vaadin/tests/components/grid/basicfeatures/server/GridColumnReorderTest.java

@@ -199,6 +199,9 @@ public class GridColumnReorderTest extends GridBasicFeaturesTest {
 
         // then
         assertColumnHeaderOrder(0, 1, 2, 3);
+        assertTrue(getGridElement().getHeaderCell(0, 0).isFrozen());
+        assertTrue(getGridElement().getHeaderCell(0, 1).isFrozen());
+        assertFalse(getGridElement().getHeaderCell(0, 2).isFrozen());
     }
 
     @Test
@@ -296,7 +299,7 @@ public class GridColumnReorderTest extends GridBasicFeaturesTest {
         assertColumnHeaderOrder(0, 1, 2, 3);
 
         // when
-        dragAndDropColumnHeader(0, 0, 2, 100);
+        dragAndDropColumnHeader(0, 0, 2, 110);
 
         // then
         assertColumnHeaderOrder(1, 2, 0, 3);
@@ -311,7 +314,7 @@ public class GridColumnReorderTest extends GridBasicFeaturesTest {
         assertColumnHeaderOrder(0, 1, 2, 3);
 
         // when
-        dragAndDropColumnHeader(1, 0, 2, 100);
+        dragAndDropColumnHeader(1, 0, 2, 110);
 
         // then
         assertColumnHeaderOrder(1, 2, 0, 3);