Update test suite to drop database automatically when test is successfull

tests/api/admin_dashboard.rs

@@ -1,17 +1,18 @@
 use crate::helpers::{TestApp, assert_is_redirect_to};
+use sqlx::PgPool;
 
-#[tokio::test]
-async fn you_must_be_logged_in_to_access_the_admin_dashboard() {
-    let app = TestApp::spawn().await;
+#[sqlx::test]
+async fn you_must_be_logged_in_to_access_the_admin_dashboard(connection_pool: PgPool) {
+    let app = TestApp::spawn(connection_pool).await;
 
     let response = app.get_admin_dashboard().await;
 
     assert_is_redirect_to(&response, "/login");
 }
 
-#[tokio::test]
-async fn logout_clears_session_state() {
-    let app = TestApp::spawn().await;
+#[sqlx::test]
+async fn logout_clears_session_state(connection_pool: PgPool) {
+    let app = TestApp::spawn(connection_pool).await;
 
     let login_body = serde_json::json!({
         "username": &app.test_user.username,