Added/Updated tests\bugs\core_3690_dialect_3_test.py: restored test that was missed during migration. Thanks to Anton Zuev.

tests/bugs/core_3690_dialect_3_test.py

@@ -0,0 +1,39 @@
+#coding:utf-8
+
+"""
+ID:          issue-4038
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/4038
+TITLE:       Wrong warning message for ambiguous query
+DESCRIPTION: SQL dialect 1 allows such queries for backward compatibility reasons
+JIRA:        CORE-3690
+FBTEST:      bugs.core_3690
+"""
+
+import pytest
+from firebird.qa import *
+
+db_3 = db_factory(sql_dialect=3)
+
+test_script = """
+    set list on;
+    select m.mon$sql_dialect from mon$database m;
+    select 0*rdb$relation_id as id from rdb$database,rdb$database;
+"""
+
+act_3 = python_act('db_3')
+
+expected_stdout_3 = """
+    MON$SQL_DIALECT                 3
+
+    Statement failed, SQLSTATE = 42702
+    Dynamic SQL Error
+    -SQL error code = -204
+    -Ambiguous field name between table RDB$DATABASE and table RDB$DATABASE
+    -RDB$RELATION_ID
+"""
+
+@pytest.mark.version('>=3')
+def test_dialect_3(act_3: Action):
+    act_3.expected_stdout = expected_stdout_3
+    act_3.isql(switches=['-q', '-sql_dialect', '3'], input=test_script, combine_output=True)
+    assert act_3.clean_stdout == act_3.clean_expected_stdout