Fix CS.

Author: pmatseykanets

src/PostgresEngine.php

@@ -115,7 +115,7 @@ protected function toVector(Model $model)
         // by the selected text search configuration which can be set globally in config/scout.php
         // file or individually for each model in searchableOptions()
         // See https://www.postgresql.org/docs/current/static/textsearch-controls.html
-        $vector = "to_tsvector(COALESCE(?, get_current_ts_config()), ?)";
+        $vector = 'to_tsvector(COALESCE(?, get_current_ts_config()), ?)';
 
         $select = $fields->map(function ($value, $key) use ($model, $vector, $bindings) {
             $bindings->push($this->searchConfig($model) ?: null)

tests/PostgresEngineTest.php

@@ -27,7 +27,7 @@ public function test_update_adds_object_to_index()
             ->andReturn($query = Mockery::mock('stdClass'));
         $query->shouldReceive('selectRaw')
             ->with(
-                "to_tsvector(COALESCE(?, get_current_ts_config()), ?) || setweight(to_tsvector(COALESCE(?, get_current_ts_config()), ?), ?) AS tsvector",
+                'to_tsvector(COALESCE(?, get_current_ts_config()), ?) || setweight(to_tsvector(COALESCE(?, get_current_ts_config()), ?), ?) AS tsvector',
                 [null, 'Foo', null, '', 'B']
             )
             ->andReturnSelf();
@@ -211,11 +211,11 @@ protected function setDbExpectations($db)
         $db->shouldReceive('table')
             ->andReturn($table = Mockery::mock('stdClass'));
         $db->shouldReceive('raw')
-            ->with("plainto_tsquery(COALESCE(?, get_current_ts_config()), ?) AS query")
-            ->andReturn("plainto_tsquery(COALESCE(?, get_current_ts_config()), ?) AS query");
+            ->with('plainto_tsquery(COALESCE(?, get_current_ts_config()), ?) AS query')
+            ->andReturn('plainto_tsquery(COALESCE(?, get_current_ts_config()), ?) AS query');
 
         $table->shouldReceive('crossJoin')
-                ->with("plainto_tsquery(COALESCE(?, get_current_ts_config()), ?) AS query")
+                ->with('plainto_tsquery(COALESCE(?, get_current_ts_config()), ?) AS query')
                 ->andReturnSelf()
             ->shouldReceive('select')
                 ->with('id')