Fix UI Tests

.maintain/gitlab/check_polkadot_companion_build.sh

@@ -45,6 +45,7 @@ cargo install -f --version 0.2.0 diener
 
 # Merge master into our branch before building Polkadot to make sure we don't miss
 # any commits that are required by Polkadot.
+git fetch --depth 20 origin
 git merge origin/master
 
 # Clone the current Polkadot master branch into ./polkadot.

frame/support/test/tests/derive_no_bound_ui/clone.stderr

@@ -1,7 +1,7 @@
-error[E0277]: the trait bound `<T as Config>::C: std::clone::Clone` is not satisfied
+error[E0277]: the trait bound `<T as Config>::C: Clone` is not satisfied
  --> $DIR/clone.rs:7:2
   |
 7 |     c: T::C,
-  |     ^ the trait `std::clone::Clone` is not implemented for `<T as Config>::C`
+  |     ^ the trait `Clone` is not implemented for `<T as Config>::C`
   |
-  = note: required by `std::clone::Clone::clone`
+  = note: required by `clone`

frame/support/test/tests/derive_no_bound_ui/eq.stderr

@@ -4,4 +4,9 @@ error[E0277]: can't compare `Foo<T>` with `Foo<T>`
 6   | struct Foo<T: Config> {
     |        ^^^ no implementation for `Foo<T> == Foo<T>`
     |
-    = help: the trait `std::cmp::PartialEq` is not implemented for `Foo<T>`
+   ::: $RUST/core/src/cmp.rs
+    |
+    | pub trait Eq: PartialEq<Self> {
+    |               --------------- required by this bound in `Eq`
+    |
+    = help: the trait `PartialEq` is not implemented for `Foo<T>`