diff --git a/tests/ui/traits/next-solver/normalization-shadowing/alias-bound-shadowed-by-env.rs b/tests/ui/traits/next-solver/normalization-shadowing/alias-bound-shadowed-by-env.rs
new file mode 100644
index 0000000000000..c0b169abcd576
--- /dev/null
+++ b/tests/ui/traits/next-solver/normalization-shadowing/alias-bound-shadowed-by-env.rs
@@ -0,0 +1,19 @@
+//@ compile-flags: -Znext-solver
+//@ check-pass
+
+trait Super {
+    type Assoc;
+}
+trait Bound {
+    type Assoc: Super<Assoc = u32>;
+}
+trait Trait: Super {}
+
+// Elaborating the environment results in a `T::Assoc: Super` where-bound.
+// This where-bound must not prevent normalization via the `Super<Assoc = u32>`
+// item bound.
+fn heck<T: Bound<Assoc: Trait>>(x: <T::Assoc as Super>::Assoc) -> u32 {
+    x
+}
+
+fn main() {}
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/ambig-env-no-shadow.rs b/tests/ui/traits/next-solver/normalization-shadowing/ambig-env-no-shadow.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/ambig-env-no-shadow.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/ambig-env-no-shadow.rs
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/discard-impls-shadowed-by-env-1.rs b/tests/ui/traits/next-solver/normalization-shadowing/discard-impls-shadowed-by-env-1.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/discard-impls-shadowed-by-env-1.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/discard-impls-shadowed-by-env-1.rs
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/discard-impls-shadowed-by-env-2.rs b/tests/ui/traits/next-solver/normalization-shadowing/discard-impls-shadowed-by-env-2.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/discard-impls-shadowed-by-env-2.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/discard-impls-shadowed-by-env-2.rs
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/discard-impls-shadowed-by-env-3.rs b/tests/ui/traits/next-solver/normalization-shadowing/discard-impls-shadowed-by-env-3.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/discard-impls-shadowed-by-env-3.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/discard-impls-shadowed-by-env-3.rs
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/normalizes_to_ignores_unnormalizable_candidate.rs b/tests/ui/traits/next-solver/normalization-shadowing/normalizes_to_ignores_unnormalizable_candidate.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/normalizes_to_ignores_unnormalizable_candidate.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/normalizes_to_ignores_unnormalizable_candidate.rs
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/normalizes_to_ignores_unnormalizable_candidate.stderr b/tests/ui/traits/next-solver/normalization-shadowing/normalizes_to_ignores_unnormalizable_candidate.stderr
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/normalizes_to_ignores_unnormalizable_candidate.stderr
rename to tests/ui/traits/next-solver/normalization-shadowing/normalizes_to_ignores_unnormalizable_candidate.stderr
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.rs b/tests/ui/traits/next-solver/normalization-shadowing/param-candidate-shadows-project.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/param-candidate-shadows-project.rs
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.stderr b/tests/ui/traits/next-solver/normalization-shadowing/param-candidate-shadows-project.stderr
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.stderr
rename to tests/ui/traits/next-solver/normalization-shadowing/param-candidate-shadows-project.stderr
diff --git a/tests/ui/traits/next-solver/env-shadows-impls/param-env-impl-conflict.rs b/tests/ui/traits/next-solver/normalization-shadowing/param-env-impl-conflict.rs
similarity index 100%
rename from tests/ui/traits/next-solver/env-shadows-impls/param-env-impl-conflict.rs
rename to tests/ui/traits/next-solver/normalization-shadowing/param-env-impl-conflict.rs