test: fix test case

Author: zombieJ

tests/ExpandRow.spec.jsx

@@ -265,8 +265,8 @@ describe('Table.Expand', () => {
         expandable: { expandedRowRender, fixed: 'right' },
       }),
     );
-    expect(container.querySelectorAll('.rc-table-has-fix-left').length).toBe(1);
-    expect(container2.querySelectorAll('.rc-table-has-fix-right').length).toBe(1);
+    expect(container.querySelector('.rc-table-has-fix-start')).toBeTruthy();
+    expect(container2.querySelector('.rc-table-has-fix-end')).toBeTruthy();
   });
 
   describe('config expand column index', () => {

tests/__snapshots__/ExpandRow.spec.jsx.snap

@@ -438,7 +438,7 @@ exports[`Table.Expand > not use nest when children is invalidate 1`] = `
 
 exports[`Table.Expand > renders fixed column correctly > work 1`] = `
 <div
-  class="rc-table rc-table-fix-start-shadow rc-table-fix-end-shadow rc-table-fixed-column rc-table-scroll-horizontal rc-table-has-fix-left rc-table-has-fix-right"
+  class="rc-table rc-table-fix-start-shadow rc-table-fix-end-shadow rc-table-fixed-column rc-table-scroll-horizontal rc-table-has-fix-start rc-table-has-fix-end"
 >
   <div
     class="rc-table-container"