Update test

Author: boriel

tests/functional/dim_at_label5.bas

@@ -1,4 +1,4 @@
 REM Error: circular dependency
 
-DIM x at @x
+DIM x as Ubyte at @x
 

tests/functional/dim_at_label6.bas

@@ -1,4 +1,4 @@
 
-DIM a at @b + 1
-DIM b at @c
-DIM c at @a
+DIM a as Ubyte at @b + 1
+DIM b as Ubyte at @c
+DIM c as Ubyte at @a

tests/functional/dim_at_label7.bas

@@ -1,6 +1,6 @@
 REM circular dependency. Not compilable
 
-DIM a at @b + 1
-DIM b at @c + 1
-DIM c at @a + 1
+DIM a as Ubyte at @b + 1
+DIM b as Ubyte at @c + 1
+DIM c as Ubyte at @a + 1
 

tests/functional/test_errmsg.txt

@@ -148,3 +148,14 @@ pararray4.bas:8: error: Array q type does not match parameter type
 >>> process_file('array_check_warn.bas')
 array_check_warn.bas:3: warning: Array 'aux' subscript out of range
 array_check_warn.bas:6: warning: Array 'aux1' subscript out of range
+>>> process_file('dim_at_label5.bas')
+dim_at_label5.bas:3: error: Circular dependency between 'x' and 'x'
+>>> process_file('dim_at_label6.bas')
+dim_at_label6.bas:2: error: Circular dependency between 'b' and 'a'
+dim_at_label6.bas:2: error: Circular dependency between 'a' and 'c'
+dim_at_label6.bas:3: error: Circular dependency between 'c' and 'b'
+>>> process_file('dim_at_label7.bas')
+dim_at_label7.bas:3: error: Circular dependency between 'b' and 'a'
+dim_at_label7.bas:3: error: Circular dependency between 'a' and 'c'
+dim_at_label7.bas:4: error: Circular dependency between 'c' and 'b'
+