Added test base for postgres

src/__test__/e2e.test.ts

@@ -23,7 +23,7 @@ const createDB = async (mappedPort): Promise<Knex> => {
   await initialDb.destroy();
 
   const db = createKnexDb(mappedPort, 'photowalltest');
-  const sql = fs.readFileSync(resolve(__dirname, 'seed.sql')).toString();
+  const sql = fs.readFileSync(resolve(__dirname, 'schema.sql')).toString();
   await db.raw(sql);
   return db;
 };