diff --git a/configuration_inspection_contract_test.go b/configuration_inspection_contract_test.go
index 302e8f2..80e4b7c 100644
--- a/configuration_inspection_contract_test.go
+++ b/configuration_inspection_contract_test.go
@@ -150,7 +150,13 @@ func TestConfigurationInspectionZeroAndWriterErrors(t *testing.T) {
 		t.Fatalf("zero explanation writer = %v", err)
 	}
 
-	valid, err := promptkit.NewEngine(promptkit.Config{})
+	endpoint, model := "https://configured.example/v1", "configured-model"
+	profile := configkit.Input{Source: promptkit.ProfileSource("inspection test profile", map[string]promptkit.ProfileConfig{
+		"inspection-profile": {Endpoint: &endpoint, Model: &model},
+	})}
+	valid, err := promptkit.NewEngine(promptkit.Config{Sources: promptkit.ConfigurationSources{
+		Underlays: []configkit.Underlay{{Inputs: []configkit.Input{profile}}},
+	}})
 	if err != nil {
 		t.Fatalf("construct engine: %v", err)
 	}
@@ -163,7 +169,7 @@ func TestConfigurationInspectionZeroAndWriterErrors(t *testing.T) {
 	if err := view.WriteEffective(writer); !errors.Is(err, writeErr) {
 		t.Fatalf("effective writer error = %v", err)
 	}
-	if err := view.WriteExplanation(writer, configkit.Keys("profiles", "mistral-small-3", "model")); !errors.Is(err, writeErr) {
+	if err := view.WriteExplanation(writer, configkit.Keys("profiles", "inspection-profile", "model")); !errors.Is(err, writeErr) {
 		t.Fatalf("explanation writer error = %v", err)
 	}
 }