reformat source code

according to code styles, 'AccessModifierOffset' should be -2.

unittest/share/schema/db_initializer.h

@@ -35,7 +35,7 @@ namespace schema {
 // 2. create OceanBase system table schema in mysql server.
 //
 class DBInitializer {
-  public:
+public:
   DBInitializer()
   {}
   virtual ~DBInitializer();
@@ -59,7 +59,7 @@ class DBInitializer {
     return common::ObServerConfig::get_instance();
   }
 
-  private:
+private:
   struct DBConfig {
     std::string host_;
     int port_;