Include check for surrogate-key header and renamed the test file

lib/cartodb/controllers/layergroup.js

@@ -392,7 +392,7 @@ LayergroupController.prototype.getAffectedTables = function(user, dbName, layerg
                     assert.ifError(err);
 
                     var queries = [];
-                    mapConfig.getLayers().map(function(layer) {
+                    mapConfig.getLayers().forEach(function(layer) {
                         queries.push(layer.options.sql);
                         if (layer.options.affected_tables) {
                             layer.options.affected_tables.map(function(table) {

lib/cartodb/controllers/map.js

@@ -307,7 +307,7 @@ MapController.prototype.afterLayergroupCreate = function(req, res, mapconfig, la
     });
 
     var sql = [];
-    mapconfig.getLayers().map(function(layer) {
+    mapconfig.getLayers().forEach(function(layer) {
         sql.push(layer.options.sql);
         if (layer.options.affected_tables) {
             layer.options.affected_tables.map(function(table) {

lib/cartodb/models/mapconfig/adapter/analysis-mapconfig-adapter.js

@@ -334,7 +334,9 @@ function AnalysisError(message) {
 function getAllAffectedTablesFromSourceNodes(node) {
     var affectedTables = node.getAllInputNodes(function (node) {
         return node.getType() === 'source';
-    }).reduce(function(list, node) { return list.concat(node.getAffectedTables()); },[]);
+    }).reduce(function(list, node) {
+        return list.concat(node.getAffectedTables());
+    },[]);
     return affectedTables;
 }