test: ensure cleanup of sqlite3 db files after test

Author: paulbalandan

tests/system/Database/Live/SQLite3/GetIndexDataTest.php

@@ -45,10 +45,19 @@ protected function setUp(): void
             'database' => 'database.db',
             'DBDebug'  => true,
         ];
-        $this->db    = db_connect($config);
+        $this->db    = db_connect($config, false);
         $this->forge = Database::forge($config);
     }
 
+    protected function tearDown(): void
+    {
+        parent::tearDown();
+
+        if (is_file(WRITEPATH . 'database.db')) {
+            unlink(WRITEPATH . 'database.db');
+        }
+    }
+
     public function testGetIndexData(): void
     {
         // INTEGER PRIMARY KEY AUTO_INCREMENT doesn't get an index by default

tests/system/Database/Migrations/MigrationRunnerTest.php

@@ -470,6 +470,10 @@ public function testMigrationUsesSameConnectionAsMigrationRunner(): void
         $this->assertCount(2, $tables);
         $this->assertSame('migrations', $tables[0]);
         $this->assertSame('foo', $tables[1]);
+
+        if (is_file($config['database'])) {
+            unlink($config['database']);
+        }
     }
 
     protected function resetTables($db = null): void