diff --git a/interfaces/cython/cantera/test/test_convert.py b/interfaces/cython/cantera/test/test_convert.py
index 8623b068a..aa8d48d59 100644
--- a/interfaces/cython/cantera/test/test_convert.py
+++ b/interfaces/cython/cantera/test/test_convert.py
@@ -110,8 +110,8 @@ class chemkinConverterTest(utilities.CanteraTest):
                     quiet=True, permissive=True)
 
         gas = ct.Solution('duplicate-thermo.cti')
-        self.assertTrue(gas.n_species, 3)
-        self.assertTrue(gas.n_reactions, 2)
+        self.assertEqual(gas.n_species, 3)
+        self.assertEqual(gas.n_reactions, 2)
 
     def test_duplicate_species(self):
         with self.assertRaises(ck2cti.InputParseError):
diff --git a/interfaces/cython/cantera/test/test_reactor.py b/interfaces/cython/cantera/test/test_reactor.py
index be08e7212..3a91e4b6c 100644
--- a/interfaces/cython/cantera/test/test_reactor.py
+++ b/interfaces/cython/cantera/test/test_reactor.py
@@ -339,7 +339,7 @@ class TestReactor(utilities.CanteraTest):
         self.assertEqual(self.r1.outlets, self.r2.inlets)
         self.assertTrue(self.r1.energy_enabled)
         self.assertTrue(self.r2.energy_enabled)
-        self.assertTrue((self.r1.thermo.P - self.r2.thermo.P) * k,
+        self.assertNear((self.r1.thermo.P - self.r2.thermo.P) * k,
                         valve.mdot(0))
 
         m1a = self.r1.thermo.density * self.r1.volume
@@ -352,7 +352,7 @@ class TestReactor(utilities.CanteraTest):
         m1b = self.r1.thermo.density * self.r1.volume
         m2b = self.r2.thermo.density * self.r2.volume
 
-        self.assertTrue((self.r1.thermo.P - self.r2.thermo.P) * k,
+        self.assertNear((self.r1.thermo.P - self.r2.thermo.P) * k,
                         valve.mdot(0.1))
         self.assertNear(m1a+m2a, m1b+m2b)
         Y1b = self.r1.thermo.Y