问实习生3在单击元素时出现奇怪的错误

EN

   // other tests

"Load Client":function(){


        var self = this
        return inputs.Clients.reduce(function (chain, client) {
            isNA = false;
            return chain
                .then(viewClientPage.clickOnAddClientBtn())
                .then(addClientModal.clientName.enterValue(client.ClientName))
                .then(function () {
                    return client.LineOfBusiness.reduce(function (chain1, lob) {
                        return chain1
                            .then(addClientModal.stateLOB.selectOption(lob.LOBName))
                            .then(addClientModal.state.clearValue())
                            .then(function () {
                                return lob.States.reduce(function (chain2, state) {
                                    if (state.StateName == 'N/A') {
                                        isNA = true;
                                        return chain2
                                            .then(addClientModal.selectAllStateCheckBox())
                                    } else {
                                        return chain2
                                            .then(addClientModal.state.enterValue(state.StateName))
                                    }
                                }, self.remote);
                            })
                            .then(addClientModal.clickOnAddStateBtn())



                    }, self.remote);
                })
                .sleep(6000)
                .findByXpath('//*[@id="saveModal"]').click().end() // this is raising error
        }, this.remote)

 }

          UnknownError: [POST http://localhost:4444/wd/hub/session/737b17818334be969beb0ce6a8174f12/element/0.48698099328565236-11/click] unknown error: Element <button type="button" class="btn btn-primary save" style="float:right" ng-click="addNewPayer('Payers','clients/clients/partials/addNewPayerModal.tpl.html','...',client,editParameters)">Add Client</button> is not clickable at point (1296, 112). Other element would receive the click: <div tabindex="-1" role="dialog" class="modal fade ng-isolate-scope custommodal-modal-edit in" ng-class="{in: animate}" ng-style="{'z-index': 1050 + index*10, display: 'block'}" ng-click="close($event)" modal-window="" window-class="custommodal-modal-edit" size="lg" index="0" animate="animate" style="z-index: 1050; display: block;">...</div>
   (Session info: chrome=63.0.3239.84)
   (Driver info: chromedriver=2.34.522940 
    (1a76f96f66e3ca7b8e57d503b4dd3bccfba87af1),platform=Windows NT 6.1.7601 SP1 
      x86_64)
     at runRequest  <node_modules\leadfoot\Session.js:92:40>
     at <node_modules\leadfoot\Session.js:113:39>
     at new Promise  <node_modules\dojo\Promise.ts:411:3>
     at ProxiedSession._post  <node_modules\leadfoot\Session.js:67:10>
     at Element._post  <node_modules\leadfoot\Element.js:23:31>
     at Element.click  <node_modules\leadfoot\Element.js:197:15>
     at Command.<anonymous>  <node_modules\leadfoot\Command.js:680:19>
     at <node_modules\dojo\Promise.ts:393:15>
     at run  <node_modules\dojo\Promise.ts:237:7>
     at <node_modules\dojo\nextTick.ts:44:3>
     at Command.target.(anonymous function) [as click]  
    <node_modules\leadfoot\Command.js:674:11>
    at Command.<anonymous>  



<Automation\pageObjects\pages\clientSetup\clients\viewClientsPage\ViewClientPage.js:61:71>
         at runCallback  <node_modules\leadfoot\Command.js:526:31>
          at Command.<anonymous>  <node_modules\leadfoot\Command.js:543:11>
          at <node_modules\dojo\Promise.ts:393:15>
         at run  <node_modules\dojo\Promise.ts:237:7>
         at <node_modules\dojo\nextTick.ts:44:3>
         at _combinedTickCallback  <internal\process\next_tick.js:67:7>
         at process._tickCallback  <internal\process\next_tick.js:98:9>
         at Command.then  <node_modules\leadfoot\Command.js:542:10>
         at <Automation\Data_Load\LoadSM2Data.js:61:30>
         at Array.reduce  <native>
          at Test.Load Clients [as test]  <Automation\Data_Load\LoadSM2Data.js:56:35>
  at <node_modules\intern\lib\Test.js:191:24>
  at <node_modules\intern\browser_modules\dojo\Promise.ts:393:15>
  at runCallbacks  <node_modules\intern\browser_modules\dojo\Promise.ts:11:11>
  at <node_modules\intern\browser_modules\dojo\Promise.ts:317:4>
  at run  <node_modules\intern\browser_modules\dojo\Promise.ts:237:7>
  at <node_modules\intern\browser_modules\dojo\nextTick.ts:44:3>