message: Modify test_matrix_square to use the legacy full assembly.
diff: @@ -63,7 +63,6 @@ TEST_CASE("FormLinearSystem", "[FormLinearSystem]")
  x1 = 0.0;
  b = 1.0;
  - fa.SetAssemblyLevel(AssemblyLevel::FULL);
  fa.AddDomainIntegrator(new DiffusionIntegrator(one));
  fa.Assemble();
  fa.FormLinearSystem(ess_tdof_list, x1, b, A_fa, X[1], B[1]);
  