test: fix error in test-cluster-worker-death.js

Replaced calls to assert.equal with assert.strictEqual in order to fix the following error: "Please use assert.strictEqual() instead of assert.strictEqual()" PR-URL: #9981 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]>

Author: Bruce Lai

test/parallel/test-cluster-worker-death.js

@@ -8,10 +8,10 @@ if (!cluster.isMaster){
 }else{
 varworker=cluster.fork();
 worker.on('exit',common.mustCall(function(exitCode,signalCode){
-assert.equal(exitCode,42);
-assert.equal(signalCode,null);
+assert.strictEqual(exitCode,42);
+assert.strictEqual(signalCode,null);
 }));
 cluster.on('exit',common.mustCall(function(worker_){
-assert.equal(worker_,worker);
+assert.strictEqual(worker_,worker);
 }));
 }