add test

Author: Gianluca

src/Illuminate/Database/Eloquent/Model.php

@@ -440,7 +440,8 @@ public function qualifyColumn($column)
      * @param  array|mixed  $columns
      * @return array
      */
-    public function qualifyColumns(...$columns) {
+    public function qualifyColumns(...$columns) 
+    {
         $qualifiedArray = [];
         foreach($columns as $column) {
             $qualifiedArray[] = $this->qualifyColumn($column);

tests/Database/DatabaseEloquentBuilderTest.php

@@ -203,8 +203,8 @@ public function testQualifyColumns()
 
         $builder->setModel(new EloquentModelStub);
 
-        $this->assertSame(['stub.column', 'stub.column2', 'stub.column3'], $builder->qualifyColumn('column', 'column2', 'column3'));
-        $this->assertSame(['stub.column', 'stub.column2', 'stub.column3'], $builder->qualifyColumn(...['column', 'column2', 'column3']));
+        $this->assertSame(['stub.column', 'stub.column2', 'stub.column3'], $builder->qualifyColumns('column', 'column2', 'column3'));
+        $this->assertSame(['stub.column', 'stub.column2', 'stub.column3'], $builder->qualifyColumns(...['column', 'column2', 'column3']));
     }
 
     public function testGetMethodLoadsModelsAndHydratesEagerRelations()