refactor: Fixed the rest of the (tested) leaks.

db_test.odin

@@ -1,19 +0,0 @@
-package main
-
-import "core:path/filepath"
-import "core:strings"
-import "core:testing"
-
-@(test)
-test_dir_slice_owns_parent :: proc(t: ^testing.T) {
-	abs_path := "/home/user/project/.env"
-	cloned_path, _ := strings.clone(abs_path)
-
-	dir := filepath.dir(cloned_path)
-
-	testing.expect(t, dir == "/home/user/project", "filepath.dir should return parent directory")
-	testing.expect(t, len(dir) > 0, "dir should not be empty")
-
-	cloned_dir, _ := strings.clone(dir)
-	testing.expect(t, cloned_dir == dir, "clone of dir should equal dir")
-}