test: allow running with NODE_PENDING_DEPRECATION

Make the test for pending deprecations work when the env var is set during the whole test suite run. PR-URL: #18991 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Сковорода Никита Андреевич <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Matheus Marchini <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]>

Author: addaleax

test/parallel/test-pending-deprecation.js

@@ -25,7 +25,8 @@ switch (process.argv[2]){
 break;
 default:
 // Verify that the flag is off by default.
-assert.strictEqual(config.pendingDeprecation,undefined);
+constenvvar=process.env.NODE_PENDING_DEPRECATION;
+assert.strictEqual(config.pendingDeprecation,envvar&&envvar[0]==='1');
 
 // Test the --pending-deprecation command line switch.
 fork(__filename,['switch'],{