Fix bundle lookup

Author: jberkel

Tests/SQLiteTests/Fixtures.swift

@@ -1,7 +1,11 @@
 import Foundation
 
 func fixture(_ name: String, withExtension: String?) -> String {
+    #if SWIFT_PACKAGE
+    let testBundle = Bundle.module
+    #else
     let testBundle = Bundle(for: SQLiteTestCase.self)
+    #endif
 
     for resource in [name, "fixtures/\(name)"] {
         if let url = testBundle.url(