test suite refactoring

This commit refactors the test suite to make it cleaner and to use the
standard testing library better. The `assert()`, `equals()`, and `ok()`
functions have been removed and some test names have been changed for
clarity.

No functionality has been changed.

1 files changed, 1 insertions, 1 deletions

diff --git a/tx.go b/tx.go
index d16f9f5..5f4c9f0 100644
--- a/tx.go
+++ b/tx.go
@@ -285,7 +285,7 @@ func (tx *Tx) WriteTo(w io.Writer) (n int64, err error) {
 	if err != nil {
 		return 0, err
 	}
-	defer f.Close()
+	defer func() { _ = f.Close() }()
 
 	// Copy the meta pages.
 	tx.db.metalock.Lock()