diff --git a/tests/unit/test_solvers/test_idaklu_solver.py b/tests/unit/test_solvers/test_idaklu_solver.py
index 5c3e542378..b080f14ca5 100644
--- a/tests/unit/test_solvers/test_idaklu_solver.py
+++ b/tests/unit/test_solvers/test_idaklu_solver.py
@@ -496,24 +496,28 @@ def test_options(self):
                     }
                     solver = pybamm.IDAKLUSolver(options=options)
                     if (
-                        jacobian == "none" and (
-                            linear_solver == "SUNLinSol_Dense" or
-                            linear_solver == "SUNLinSol_LapackDense"
-                        ) or
-                        jacobian == "dense" and (
-                            linear_solver == "SUNLinSol_Dense" or
-                            linear_solver == "SUNLinSol_LapackDense"
-                        ) or
-                        jacobian == "sparse" and (
-                            linear_solver != "SUNLinSol_Dense" and
-                            linear_solver != "SUNLinSol_LapackDense" and
-                            linear_solver != "garbage"
-                        ) or
-                        jacobian == "matrix-free" and (
-                            linear_solver != "SUNLinSol_KLU" and
-                            linear_solver != "SUNLinSol_Dense" and
-                            linear_solver != "SUNLinSol_LapackDense" and
-                            linear_solver != "garbage"
+                        jacobian == "none"
+                        and (
+                            linear_solver == "SUNLinSol_Dense"
+                            or linear_solver == "SUNLinSol_LapackDense"
+                        )
+                        or jacobian == "dense"
+                        and (
+                            linear_solver == "SUNLinSol_Dense"
+                            or linear_solver == "SUNLinSol_LapackDense"
+                        )
+                        or jacobian == "sparse"
+                        and (
+                            linear_solver != "SUNLinSol_Dense"
+                            and linear_solver != "SUNLinSol_LapackDense"
+                            and linear_solver != "garbage"
+                        )
+                        or jacobian == "matrix-free"
+                        and (
+                            linear_solver != "SUNLinSol_KLU"
+                            and linear_solver != "SUNLinSol_Dense"
+                            and linear_solver != "SUNLinSol_LapackDense"
+                            and linear_solver != "garbage"
                         )
                     ):
                         works = True