diff --git a/tests/completions.sh b/tests/completions.sh
index b7bb31aea..a510e28b0 100644
--- a/tests/completions.sh
+++ b/tests/completions.sh
@@ -32,6 +32,10 @@ popd
 
 # Input override completion
 [[ "$(NIX_GET_COMPLETIONS=4 nix build ./foo --override-input '')" == $'normal\na\t' ]]
+## With tilde expansion
+[[ "$(HOME=$PWD NIX_GET_COMPLETIONS=4 nix build '~/foo' --override-input '')" == $'normal\na\t' ]]
+## Out of order – not working atm. Should have been fixed by #6693 but apparently not
+# [[ "$(NIX_GET_COMPLETIONS=3 nix build --override-input '' ./foo)" == $'normal\na\t' ]]
 
 # Cli flag completion
 NIX_GET_COMPLETIONS=2 nix build --log-form | grep -- "--log-format"