test: changed assert.equal to assert.strictEqual

PR-URL: #9936
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-exception-handler.js

@@ -6,12 +6,12 @@ var MESSAGE = 'catch me if you can';
 
 process.on('uncaughtException', common.mustCall(function(e) {
   console.log('uncaught exception! 1');
-  assert.equal(MESSAGE, e.message);
+  assert.strictEqual(MESSAGE, e.message);
 }));
 
 process.on('uncaughtException', common.mustCall(function(e) {
   console.log('uncaught exception! 2');
-  assert.equal(MESSAGE, e.message);
+  assert.strictEqual(MESSAGE, e.message);
 }));
 
 setTimeout(function() {