fix expected error messages in test cases

test/cases/compile_errors/asm_at_compile_time.zig

@@ -14,4 +14,5 @@ fn doSomeAsm() void {
 // backend=llvm
 // target=native
 //
-// :6:5: error: unable to evaluate constant expression
+// :6:5: error: unable to resolve comptime value
+// :2:14: note: called from here

test/cases/compile_errors/duplicate_error_in_switch.zig

@@ -8,8 +8,8 @@ export fn entry() void {
 }
 fn foo(x: i32) !void {
     switch (x) {
-        0 ... 10 => return error.Foo,
-        11 ... 20 => return error.Bar,
+        0...10 => return error.Foo,
+        11...20 => return error.Bar,
         else => {},
     }
 }
@@ -19,4 +19,4 @@ fn foo(x: i32) !void {
 // target=native
 //
 // :5:9: error: duplicate switch value
-// :3:9: note: other value here
+// :3:9: note: previous value here