Load error handling doesn't depend on browser features, so test it everywher

[#24901981]

spec/core/integration/EnvSpec.js

@@ -2018,8 +2018,6 @@ describe("Env integration", function() {
     env.execute();
   });
 
-  describe("In a browser", function() {
-    if (typeof document !== 'undefined') {
   it('reports errors that occur during loading', function(done) {
     var global = {
       setTimeout: function(fn, delay) { setTimeout(fn, delay) },
@@ -2053,7 +2051,6 @@ describe("Env integration", function() {
 
     env.execute();
   });
-    }
 
   describe('If suppressLoadErrors was called', function() {
     it('does not report errors that occur during loading', function(done) {
@@ -2078,5 +2075,4 @@ describe("Env integration", function() {
       env.execute();
     });
   });
-  });
 });