remove redundant code...

Author: yangfancoming

src/test/java/org/apache/ibatis/session/SqlSessionTest.java

@@ -189,11 +189,9 @@ void shouldSelectCountOfPosts() {
 
   @Test
   void shouldEnsureThatBothEarlyAndLateResolutionOfNesteDiscriminatorsResolesToUseNestedResultSetHandler() {
-    try (SqlSession session = sqlMapper.openSession()) {
       Configuration configuration = sqlMapper.getConfiguration();
       assertTrue(configuration.getResultMap("org.apache.ibatis.domain.blog.mappers.BlogMapper.earlyNestedDiscriminatorPost").hasNestedResultMaps());
       assertTrue(configuration.getResultMap("org.apache.ibatis.domain.blog.mappers.BlogMapper.lateNestedDiscriminatorPost").hasNestedResultMaps());
-    }
   }
 
   @Test