Simplify usages of mock ShardingSphereDatabase

features/encrypt/distsql/handler/src/test/java/org/apache/shardingsphere/encrypt/distsql/handler/update/DropEncryptRuleExecutorTest.java

@@ -137,10 +137,8 @@ private EncryptRuleConfiguration createCurrentRuleConfigurationWithMultipleTable
     }
 
     private ContextManager mockContextManager(final EncryptRule rule) {
-        ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, RETURNS_DEEP_STUBS);
-        when(database.getName()).thenReturn("foo_db");
-        when(database.getRuleMetaData()).thenReturn(new RuleMetaData(Collections.singleton(rule)));
         ContextManager result = mock(ContextManager.class, RETURNS_DEEP_STUBS);
+        ShardingSphereDatabase database = new ShardingSphereDatabase("foo_db", mock(), mock(), new RuleMetaData(Collections.singleton(rule)), Collections.emptyList());
         when(result.getDatabase("foo_db")).thenReturn(database);
         return result;
     }