Added perf-improving PRAGMAs in testing mode

- These two things are meant to improve performance at the cost of reliability.
- Perfect for testing, however I think they make a minimal impact on modern SSDs :(
- Still worth a shot to see if it helps with CI

core/server/data/db/connection.js

@@ -17,6 +17,13 @@ function configure(dbConfig) {
         dbConfig.pool = {
             afterCreate(conn, cb) {
                 conn.run('PRAGMA foreign_keys = ON', cb);
+
+                // These two are meant to improve performance at the cost of reliability
+                // Should be safe for tests. We add them here and leave them on
+                if (config.get('env').startsWith('testing')) {
+                    conn.run('PRAGMA synchronous = OFF;');
+                    conn.run('PRAGMA journal_mode = TRUNCATE;');
+                }
             }
         };
 

test/utils/e2e-utils.js

@@ -157,10 +157,6 @@ const freshModeGhostStart = async (options) => {
     // Do a full database initialisation
     await knexMigrator.init();
 
-    if (config.get('database:client') === 'sqlite3') {
-        await db.knex.raw('PRAGMA journal_mode = TRUNCATE;');
-    }
-
     await settingsService.init();
 
     // Reset the URL service generators