test: simplify test-api-getreport.js

PR-URL: #26169
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: cjihrig

test/node-report/test-api-getreport.js

@@ -1,25 +1,12 @@
+// Flags: --experimental-report
 'use strict';
-
-// Testcase for returning report as a string via API call
 constcommon=require('../common');
 common.skipIfReportDisabled();
 constassert=require('assert');
-if(process.argv[2]==='child'){
-console.log(process.report.getReport());
-}else{
-consthelper=require('../common/report.js');
-constspawnSync=require('child_process').spawnSync;
-consttmpdir=require('../common/tmpdir');
-tmpdir.refresh();
+consthelper=require('../common/report');
 
-constargs=['--experimental-report',__filename,'child'];
-constchild=spawnSync(process.execPath,args,{cwd: tmpdir.path});
-constreport_msg='Found report files';
-conststd_msg='Found messages on stderr';
-assert.ok(child.stderr.toString().includes(
-`(node:${child.pid}) ExperimentalWarning: report is an`+
-' experimental feature. This feature could change at any time'),std_msg);
-constreportFiles=helper.findReports(child.pid,tmpdir.path);
-assert.deepStrictEqual(reportFiles,[],report_msg);
-helper.validateContent(child.stdout);
-}
+common.expectWarning('ExperimentalWarning',
+'report is an experimental feature. This feature could '+
+'change at any time');
+helper.validateContent(process.report.getReport());
+assert.deepStrictEqual(helper.findReports(process.pid,process.cwd()),[]);