Remove assertions from python test cases

Examples/test-suite/python/extern_c_runme.py

@@ -1,6 +1,10 @@
 import extern_c
 
+def check(flag):
+    if not flag:
+        raise RuntimeError("Test failed")
+
 extern_c.RealFunction(2)
-assert extern_c.cvar.int2 == 123
-assert extern_c.cvar.int3 == 456
-assert extern_c.cvar.int4 == 789
+check(extern_c.cvar.int2 == 123)
+check(extern_c.cvar.int3 == 456)
+check(extern_c.cvar.int4 == 789)

Examples/test-suite/python/name_warnings_runme.py

@@ -1,5 +1,9 @@
 from name_warnings import *
 
-four = double_an_int(2)
-assert four == 4
+def check(flag):
+    if not flag:
+        raise RuntimeError("Test failed")
+
+four = double_an_int(2)
+check(four == 4)