refactor: err msgs 'cannot' > 'failed to'

in nearly all cases 'cannot' was used when an action was tried and
failed. 'failed to' is strictly better because:
* just because the action didn't work that time doesnt mean it
  cannot work
* it is better at drawing the users attention to a problem

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/git_remote_nostr/main.rs b/tests/git_remote_nostr/main.rs
index f749c7f..84e66bd 100644
--- a/tests/git_remote_nostr/main.rs
+++ b/tests/git_remote_nostr/main.rs
@@ -43,7 +43,7 @@ fn set_git_nostr_login_config(test_repo: &GitTestRepo) -> Result<()> {
     let mut config = test_repo
         .git_repo
         .config()
-        .context("cannot open git config")?;
+        .context("failed to open git config")?;
     config.set_str("nostr.nsec", TEST_KEY_2_NSEC)?;
     config.set_str("nostr.npub", TEST_KEY_2_NPUB)?;
     config.set_str("user.name", "test name")?;