Added equality check for row_filter test

Author: jimmysway

process_report/tests/unit/data_tools/test_data_tools.py

@@ -45,8 +45,10 @@ def test_row_filter_empty_returns_none():
 def test_row_filter_builds_combined_and_expression(filters: dict[str, str]):
     expression = costs._row_filter(**filters)
     assert isinstance(expression, costs.And)
-    assert isinstance(expression.left, costs.EqualTo)
-    assert isinstance(expression.right, costs.EqualTo)
+
+    (left_col, left_val), (right_col, right_val) = filters.items()
+    assert expression.left == costs.EqualTo(left_col, left_val)
+    assert expression.right == costs.EqualTo(right_col, right_val)
 
 
 def test_aggregate_by_rounds_and_forwards_filters(