Add isModularize check for _.throttle test for system time of 0.

test/test.js

@@ -22635,6 +22635,7 @@
 
       var done = assert.async();
 
+      if (!isModularize) {
         var callCount = 0,
             dateCount = 0;
 
@@ -22660,6 +22661,11 @@
           assert.strictEqual(callCount, 2);
           done();
         }, 64);
+      }
+      else {
+        skipAssert(assert, 3);
+        done();
+      }
     });
   }());