penultimate round of fixes before bed

Author: Gobot1234

tests/test_reduction.py

@@ -593,7 +593,7 @@ def test_named_expression_as_input_for_multiple_solvers(
     absolute_pressure_expression = solver_named_expressions.create()
     absolute_pressure_expression.definition = "AbsolutePressure"
 
-    s1_min = solver1.settings.fields.reduction.minimum(
+    s1_min = solver1.fields.reduction.minimum(
         expression=absolute_pressure_expression,
         locations=solver1.settings.setup.boundary_conditions.velocity_inlet,
     )

tests/test_tui_api.py

@@ -65,7 +65,7 @@ def test_api_upgrade_message(new_solver_session):
     with redirect_stdout(f):
         solver.tui.file.read_case(case_name)
     s = f.getvalue()
-    if solver.get_fluent_version() >= FluentVersion.v251:
+    if solver.get_fluent_version() <= FluentVersion.v251:
         assert s.split("\n")[-2].split("(")[0] == r"<solver_session>.file.read_case"
     else:
         assert (