tests: Fix petsc tests

Author: ZoeLeibowitz

tests/test_petsc.py

@@ -621,12 +621,12 @@ class TestCoupledLinear:
         ('Eq(e.laplace, f)', 'Eq(g.laplace, h)', '2'),
         ('Eq(e.laplace, f)', 'Eq(g.laplace, h)', '4'),
         ('Eq(e.laplace, f)', 'Eq(g.laplace, h)', '6'),
-        ('Eq(e.laplace, f + 5)', 'Eq(g.laplace, h + 5)', '2'),
-        ('Eq(e.laplace, f + 5)', 'Eq(g.laplace, h + 5)', '4'),
-        ('Eq(e.laplace, f + 5)', 'Eq(g.laplace, h + 5)', '6'),
-        ('Eq(e.dx, e + 2*f)', 'Eq(g.dx, g + 2*h)', '2'),
-        ('Eq(e.dx, e + 2*f)', 'Eq(g.dx, g + 2*h)', '4'),
-        ('Eq(e.dx, e + 2*f)', 'Eq(g.dx, g + 2*h)', '6'),
+        ('Eq(e.laplace, f + 5.)', 'Eq(g.laplace, h + 5.)', '2'),
+        ('Eq(e.laplace, f + 5.)', 'Eq(g.laplace, h + 5.)', '4'),
+        ('Eq(e.laplace, f + 5.)', 'Eq(g.laplace, h + 5.)', '6'),
+        ('Eq(e.dx, e + 2.*f)', 'Eq(g.dx, g + 2.*h)', '2'),
+        ('Eq(e.dx, e + 2.*f)', 'Eq(g.dx, g + 2.*h)', '4'),
+        ('Eq(e.dx, e + 2.*f)', 'Eq(g.dx, g + 2.*h)', '6'),
         ('Eq(f.dx, e.dx + e + e.laplace)', 'Eq(h.dx, g.dx + g + g.laplace)', '2'),
         ('Eq(f.dx, e.dx + e + e.laplace)', 'Eq(h.dx, g.dx + g + g.laplace)', '4'),
         ('Eq(f.dx, e.dx + e + e.laplace)', 'Eq(h.dx, g.dx + g + g.laplace)', '6'),