fix tests

tests/ui/lifetimes/missing-lifetime-in-assoc-type-4.stderr

@@ -17,6 +17,7 @@ error[E0195]: lifetime parameters or bounds on associated type `IntoIter` do not
    |
 LL |     type IntoIter<'a> = std::collections::btree_map::Values<'a, i32, T>;
    |                  ^^^^ lifetimes do not match associated type in trait
+   |
   --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
    |
    = note: lifetimes in impl do not match this associated type in trait

tests/ui/lifetimes/missing-lifetime-in-assoc-type-6.rs

@@ -12,7 +12,7 @@ impl<'a> Trait for &'_ S {
     //~^ ERROR E0207
     //~| NOTE there is a named lifetime specified on the impl block you could use
     //~| NOTE unconstrained lifetime parameter
-    //~| HELP consider using the named lifetime here instead of an implict lifetime
+    //~| HELP consider using the named lifetime here instead of an implicit lifetime
     type Item = &T;
     //~^ ERROR missing lifetime in associated type
     //~| HELP consider using the lifetime from the impl block

tests/ui/lifetimes/missing-lifetime-in-assoc-type-6.stderr

@@ -19,7 +19,7 @@ error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait,
 LL | impl<'a> Trait for &'_ S {
    |      ^^ unconstrained lifetime parameter
    |
-help: consider using the named lifetime here instead of an implict lifetime
+help: consider using the named lifetime here instead of an implicit lifetime
    |
 LL - impl<'a> Trait for &'_ S {
 LL + impl<'a> Trait for &'a S {