Update test suite to drop database automatically when test is successfull

tests/api/subscriptions_confirm.rs

@@ -1,9 +1,10 @@
 use crate::helpers::{TestApp, when_sending_an_email};
+use sqlx::PgPool;
 use wiremock::ResponseTemplate;
 
-#[tokio::test]
-async fn confirmation_links_without_token_are_rejected_with_a_400() {
-    let app = TestApp::spawn().await;
+#[sqlx::test]
+async fn confirmation_links_without_token_are_rejected_with_a_400(connection_pool: PgPool) {
+    let app = TestApp::spawn(connection_pool).await;
 
     let response = reqwest::get(&format!("{}/subscriptions/confirm", &app.address))
         .await
@@ -11,9 +12,9 @@ async fn confirmation_links_without_token_are_rejected_with_a_400() {
     assert_eq!(400, response.status().as_u16());
 }
 
-#[tokio::test]
-async fn clicking_on_the_link_shows_a_confirmation_message() {
-    let app = TestApp::spawn().await;
+#[sqlx::test]
+async fn clicking_on_the_link_shows_a_confirmation_message(connection_pool: PgPool) {
+    let app = TestApp::spawn(connection_pool).await;
 
     let email = "alphonse.paix@outlook.com";
     let body = format!("email={email}");
@@ -39,9 +40,9 @@ async fn clicking_on_the_link_shows_a_confirmation_message() {
     );
 }
 
-#[tokio::test]
-async fn clicking_on_the_confirmation_link_confirms_a_subscriber() {
-    let app = TestApp::spawn().await;
+#[sqlx::test]
+async fn clicking_on_the_confirmation_link_confirms_a_subscriber(connection_pool: PgPool) {
+    let app = TestApp::spawn(connection_pool).await;
 
     let email = "alphonse.paix@outlook.com";
     let body = format!("email={email}");