make an old test from 'broken' directory usable

--HG--
rename : tests/broken/onelinesuite.pyx => tests/run/onelinesuite.py

tests/broken/onelinesuite.pyx

-if x: y = 42; z = 88
-def f(): return 17

tests/run/onelinesuite.py

+# mode: run
+# tag: syntax
+
+"""
+>>> y
+Traceback (most recent call last):
+NameError: name 'y' is not defined
+>>> z
+Traceback (most recent call last):
+NameError: name 'z' is not defined
+>>> f()
+17
+"""
+
+x = False
+
+if x: y = 42; z = 88
+def f(): return 17
+
+
+def suite_in_func(x):
+    """
+    >>> suite_in_func(True)
+    (42, 88)
+    >>> suite_in_func(False)
+    (0, 0)
+    """
+    y = z = 0
+    if x: y = 42; z = 88
+    return y, z