Update tests.

test/libsolidity/syntaxTests/immutable/inheritance_virtual_modifiers.sol

@@ -1,7 +1,7 @@
 contract B {
     uint immutable x;
 
-    constructor() readX public {
+    constructor() readX {
         x = 3;
     }
 
@@ -18,4 +18,4 @@ contract C is B {
     }
 }
 // ----
-// TypeError 7733: (252-253): Immutable variables cannot be read during contract creation time, which means they cannot be read in the constructor or any function or modifier called from it.
+// TypeError 7733: (245-246): Immutable variables cannot be read during contract creation time, which means they cannot be read in the constructor or any function or modifier called from it.