fix and extend carray assignment error test

tests/errors/e_ass.pyx

@@ -14,21 +14,36 @@ ctypedef int[1] int_array
 
 
 cdef int_array x, y
-x = y # not an error anymore
+x = y  # not an error
 
 cdef int_array *x_ptr = &x
-x_ptr[0] = y # error
+x_ptr[0] = y  # not an error
 
 cdef class A:
     cdef int_array value
     def __init__(self):
-        self.value = x # error
+        self.value = x  # not an error
+
+
+ctypedef int[2] int_array2
+
+cdef int_array2 z
+z = x  # error
+
+
+cdef enum:
+    SIZE = 2
+
+ctypedef int[SIZE] int_array_dyn
+
+cdef int_array_dyn d
+d = z  # error
 
 
 _ERRORS = u"""
-20:5: Assignment to non-lvalue of type 'int_array'
-25:12: Assignment to non-lvalue of type 'int_array'
 7:19: Cannot assign type 'char *' to 'int'
 8:20: Cannot convert Python object to 'int *'
 10:20: Cannot convert 'int *' to Python object
+31:14: Cannot assign type 'int_array' to 'int_array2'
+40:14: Cannot assign type 'int_array2' to 'int_array_dyn'
 """