extend test

tests/run/carray_coercion.pyx

@@ -67,6 +67,15 @@ def from_int_array_array():
     return v
 
 
+def assign_int_array_array():
+    """
+    >>> assign_int_array_array()
+    [[11, 12, 13], [21, 22, 23]]
+    """
+    cdef int[2][3] v = [[11, 12, 13], [21, 22, 23]]
+    return v
+
+
 ctypedef struct MyStructType:
     int x
     double y