Fix tests

Author: JohnTitor

src/test/ui/parser/lex-bad-char-literals-3.rs

@@ -1,7 +1,6 @@
 // This test needs to the last one appearing in this file as it kills the parser
 static c: char =
     '●●' //~ ERROR: character literal may only contain one codepoint
-         //~| ERROR: mismatched types
 ;
 
 fn main() {}

src/test/ui/parser/lex-bad-char-literals-3.stderr

@@ -8,15 +8,5 @@ help: if you meant to write a `str` literal, use double quotes
 LL |     "●●" //~ ERROR: character literal may only contain one codepoint
    |     ^^^^
 
-error[E0308]: mismatched types
-  --> $DIR/lex-bad-char-literals-3.rs:3:5
-   |
-LL |     '●●' //~ ERROR: character literal may only contain one codepoint
-   |     ^^^^ expected char, found reference
-   |
-   = note: expected type `char`
-              found type `&'static str`
-
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0308`.

src/test/ui/parser/lex-bad-char-literals-5.rs

@@ -2,7 +2,6 @@
 // This test needs to the last one appearing in this file as it kills the parser
 static c: char =
     '\x10\x10'  //~ ERROR: character literal may only contain one codepoint
-                //~| ERROR: mismatched types
 ;
 
 fn main() {}

src/test/ui/parser/lex-bad-char-literals-5.stderr

@@ -8,15 +8,5 @@ help: if you meant to write a `str` literal, use double quotes
 LL |     "/x10/x10"  //~ ERROR: character literal may only contain one codepoint
    |     ^^^^^^^^^^
 
-error[E0308]: mismatched types
-  --> $DIR/lex-bad-char-literals-5.rs:4:5
-   |
-LL |     '/x10/x10'  //~ ERROR: character literal may only contain one codepoint
-   |     ^^^^^^^^^^ expected char, found reference
-   |
-   = note: expected type `char`
-              found type `&'static str`
-
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
-For more information about this error, try `rustc --explain E0308`.