Updated incorrect $this->resource variable usages to $this->resources in MongoDbResourceManager

Author: Carey Sizer

src/Storage/Adapter/MongoDbResourceManager.php

@@ -117,9 +117,9 @@ public function setServer($id, $server)
     {
         $this->resources[$id]['server'] = (string)$server;
 
-        unset($this->resource[$id]['client_instance']);
-        unset($this->resource[$id]['db_instance']);
-        unset($this->resource[$id]['collection_instance']);
+        unset($this->resources[$id]['client_instance']);
+        unset($this->resources[$id]['db_instance']);
+        unset($this->resources[$id]['collection_instance']);
     }
 
     public function getServer($id)
@@ -135,9 +135,9 @@ public function setConnectionOptions($id, array $connectionOptions)
     {
         $this->resources[$id]['connection_options'] = $connectionOptions;
 
-        unset($this->resource[$id]['client_instance']);
-        unset($this->resource[$id]['db_instance']);
-        unset($this->resource[$id]['collection_instance']);
+        unset($this->resources[$id]['client_instance']);
+        unset($this->resources[$id]['db_instance']);
+        unset($this->resources[$id]['collection_instance']);
     }
 
     public function getConnectionOptions($id)
@@ -155,9 +155,9 @@ public function setDriverOptions($id, array $driverOptions)
     {
         $this->resources[$id]['driver_options'] = $driverOptions;
 
-        unset($this->resource[$id]['client_instance']);
-        unset($this->resource[$id]['db_instance']);
-        unset($this->resource[$id]['collection_instance']);
+        unset($this->resources[$id]['client_instance']);
+        unset($this->resources[$id]['db_instance']);
+        unset($this->resources[$id]['collection_instance']);
     }
 
     public function getDriverOptions($id)
@@ -173,8 +173,8 @@ public function setDatabase($id, $database)
     {
         $this->resources[$id]['db'] = (string)$database;
 
-        unset($this->resource[$id]['db_instance']);
-        unset($this->resource[$id]['collection_instance']);
+        unset($this->resources[$id]['db_instance']);
+        unset($this->resources[$id]['collection_instance']);
     }
 
     public function getDatabase($id)
@@ -190,7 +190,7 @@ public function setCollection($id, $collection)
     {
         $this->resources[$id]['collection'] = (string)$collection;
 
-        unset($this->resource[$id]['collection_instance']);
+        unset($this->resources[$id]['collection_instance']);
     }
 
     public function getCollection($id)