improve wp_apply evar test

theories/tests/heap_lang.v

@@ -105,9 +105,9 @@ Section LiftingTests.
     WP let: "x" := Pred #42 in Pred "x" @ E [{ v, ⌜v = #40⌝ }]%I.
   Proof. iIntros "". wp_apply Pred_spec. wp_let. by wp_apply Pred_spec. Qed.
 
-  Lemma wp_apply_evar e :
-    (∀ Q Φ, Q -∗ WP e {{ Φ }}) -∗ WP e {{ _, True }}.
-  Proof. iIntros "H". wp_apply "H". done. Qed.
+  Lemma wp_apply_evar e P :
+    P -∗ (∀ Q Φ, Q -∗ WP e {{ Φ }}) -∗ WP e {{ _, True }}.
+  Proof. iIntros "HP HW". wp_apply "HW". iExact "HP". Qed.
 
 End LiftingTests.