Adding test accessibility/table-headers.html.

LayoutTests/accessibility/table-headers-expected.txt

Index: LayoutTests/accessibility/table-headers-expected.txt
diff --git a/LayoutTests/accessibility/table-headers-expected.txt b/LayoutTests/accessibility/table-headers-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..962f14391a6afdd660ef726601ce9c7430ffb024
--- /dev/null
+++ b/LayoutTests/accessibility/table-headers-expected.txt
@@ -0,0 +1,20 @@
+No	Month	Expenses
+1	Jan	100
+2	Feb	150
+3	Mar	200
+Check whether column and row headers are reported correctly
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS table.rowHeaderAtIndex(0).isEqual(table.cellForColumnAndRow(0, 0)) is true
+PASS table.rowHeaderAtIndex(1).isEqual(table.cellForColumnAndRow(0, 1)) is true
+PASS table.rowHeaderAtIndex(2).isEqual(table.cellForColumnAndRow(0, 2)) is true
+PASS table.rowHeaderAtIndex(3).isEqual(table.cellForColumnAndRow(0, 3)) is true
+PASS table.columnHeaderAtIndex(0).isEqual(table.cellForColumnAndRow(0, 0)) is true
+PASS table.columnHeaderAtIndex(1).isEqual(table.cellForColumnAndRow(1, 0)) is true
+PASS table.columnHeaderAtIndex(2).isEqual(table.cellForColumnAndRow(2, 0)) is true
+PASS successfullyParsed is true
+
+TEST COMPLETE
+