Keep DO round-trip assertions independent of fixture license comments

Author: minleejae

src/test/java/net/sf/jsqlparser/statement/DoStatementTest.java

@@ -79,7 +79,7 @@ void preservesProceduralBodyAndFollowingStatementsIssue1946() throws Exception {
             statement.accept(new StatementDeParser(output), null);
             output.append(";\n");
         }
-        assertEquals("SELECT 0;\n" + sql + "\nSELECT 1;\n", output.toString());
+        assertEquals("SELECT 0;\nDO " + body + ";\nSELECT 1;\n", output.toString());
         Statements reparsed = CCJSqlParserUtil.parseStatements(output.toString(),
                 p -> p.withDialect(Dialect.POSTGRESQL).withUnsupportedStatements(false));
         assertEquals(3, reparsed.size());

src/test/resources/postgresql/do-issue1946.sql

@@ -1,3 +1,12 @@
+---
+-- #%L
+-- JSQLParser library
+-- %%
+-- Copyright (C) 2004 - 2026 JSQLParser
+-- %%
+-- Dual licensed under GNU LGPL 2.1 or Apache License 2.0
+-- #L%
+---
 DO $$
 BEGIN
 	IF NOT EXISTS( select 1 from comm.permission_operation where permission_operation_code = 'ecg_report_time_modify') and EXISTS( select 1 from comm.permission where permission_code = 'data_modify')