add tests for log10

Author: Smit-create

integration_tests/test_cmath.py

@@ -1,4 +1,4 @@
-from cmath import (exp, log, sqrt, acos, asin, atan, cos, sin, tan,
+from cmath import (exp, log, log10, sqrt, acos, asin, atan, cos, sin, tan,
                    acosh, asinh, atanh, cosh, sinh, tanh)
 from ltypes import c64
 
@@ -9,6 +9,7 @@ def test_power_logarithmic():
     y = exp(x)
     y = log(x)
     y = sqrt(x)
+    y = log10(x)
 
 
 def test_trigonometric():