fixed 43aaa365 from https://gitee.com/murphy1984/acts/pulls/7071

【账号】分布式账号超长头像字符串构造优化
Signed-off-by: N15829070344 <hehaitao5@huawei.com>
Change-Id: I8617bcd5b387dc8dc1c9cb7ad538b4a6e897f744

account/OsAccountTest_js/src/main/js/test/ActsDSGetSet.test.js

@@ -465,23 +465,8 @@ export default function ActsDAGetSetTest() {
         */
         it('setOsAccountDistributedInfo_test011', 0, async function (done) {
             const accountAbility = account.getDistributedAccountAbility()
-            var limitAvatar = '';
-            for (var i = 0; i < LIMIT*10; i++) {
-                limitAvatar +=
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '012345678901234567890123';
-            }
-            limitAvatar += 'n'
-            console.debug(limitAvatar.length)
+            var limitAvatar = ''.padEnd(10 * 1024 * 1024 + 1, 'o')          
+            console.debug('====>setOsAccountDistributedInfo_test011 avatar_length:' + limitAvatar.length)
             let obj = {
                 id: '12345',
                 name: 'ZhangSan',
@@ -505,23 +490,9 @@ export default function ActsDAGetSetTest() {
         */
         it('setOsAccountDistributedInfo_test012', 0, async function (done) {
             const accountAbility = account.getDistributedAccountAbility()
-            var limitAvatar = '';
-            for (var i = 0; i < LIMIT*10; i++) {
-                limitAvatar +=
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' +
-                '012345678901234567890123';
-            }
-            limitAvatar += 'n'
+            var limitAvatar = ''.padEnd(10 * 1024 * 1024 + 1, 'o')          
             console.debug(limitAvatar.length)
+            console.debug('====>setOsAccountDistributedInfo_test012 avatar_length:' + limitAvatar.length)
             let obj = {
                 id: '12345',
                 name: 'ZhangSan',