Add println! test for sugg-field-in-format-string-issue-141136

Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>

Author: xizheyin

tests/ui/resolve/suggestions/sugg-field-in-format-string-issue-141136.rs

@@ -8,6 +8,7 @@ impl Foo {
         let _ = format!("{x }"); //~ ERROR cannot find value `x` in this scope [E0425]
         let _ = format!("{ x}"); //~ ERROR invalid format string: expected `}`, found `x`
         let _ = format!("{}", x); //~ ERROR cannot find value `x` in this scope [E0425]
+        println!("{x}"); //~ ERROR cannot find value `x` in this scope [E0425]
     }
 }
 

tests/ui/resolve/suggestions/sugg-field-in-format-string-issue-141136.stderr

@@ -35,6 +35,14 @@ help: you might have meant to use the available field
 LL |         let _ = format!("{}", self.x);
    |                               +++++
 
-error: aborting due to 4 previous errors
+error[E0425]: cannot find value `x` in this scope
+  --> $DIR/sugg-field-in-format-string-issue-141136.rs:11:20
+   |
+LL |         println!("{x}");
+   |                    ^
+   |
+   = help: you might have meant to use the available field in a format string: `"{}", self.x`
+
+error: aborting due to 5 previous errors
 
 For more information about this error, try `rustc --explain E0425`.