chore: clean up errors a bit in duplicate schema test

ibis/backends/tests/test_client.py

@@ -27,6 +27,7 @@
 import ibis.expr.operations as ops
 from ibis.backends.conftest import ALL_BACKENDS
 from ibis.backends.tests.errors import (
+    ClickHouseDatabaseError,
     ExaQueryError,
     ImpalaHiveServer2Error,
     OracleDatabaseError,
@@ -1631,6 +1632,16 @@ def test_from_connection(con, top_level):
     assert result == 1
 
 
+@pytest.mark.never(
+    ["postgres"],
+    raises=com.UnsupportedOperationError,
+    reason="tables cannot be created in other databases",
+)
+@pytest.mark.notimpl(
+    ["exasol"],
+    raises=com.UnsupportedOperationError,
+    reason="unknown whether tables can be created in other databases",
+)
 def test_no_accidental_cross_database_table_load(con_create_database):
     con = con_create_database
 
@@ -1651,7 +1662,11 @@ def test_no_accidental_cross_database_table_load(con_create_database):
     con.drop_table(table)
 
     # Now attempting to load same table name without specifying db should fail
-    with pytest.raises(com.IbisError):
+    with pytest.raises(
+        tuple(filter(None, (ClickHouseDatabaseError, com.IbisError)))
+        # datafusion really needs to get their exception story in order
+        + (Exception,) * (con.name == "datafusion")
+    ):
         t = con.table(table)
 
     # But can load if specify other db