pref(testInstance): 调换导出测试用例和下载模板的触发接口

src/pages/componentDevelopment/componentTest/testInstance.tsx

@@ -357,7 +357,7 @@ const TestInstance = ({ instance, parentId, onBack }: { instance: any; parentId:
           </Button>
           <Button
             type="outline"
-            onClick={handleExportTemplate}
+            onClick={handleExportTestCases}
           >
             下载当前测试用例模板
           </Button>
@@ -369,7 +369,7 @@ const TestInstance = ({ instance, parentId, onBack }: { instance: any; parentId:
           </Button>
           <Button
             type="outline"
-            onClick={handleExportTestCases}
+            onClick={handleExportTemplate}
           >
             导出当前测试用例
           </Button>