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

2 files changed, 4 insertions, 4 deletions

diff --git a/test_utils/src/git.rs b/test_utils/src/git.rs
index 470cd83..2562799 100644
--- a/test_utils/src/git.rs
+++ b/test_utils/src/git.rs
@@ -265,7 +265,7 @@ impl GitTestRepo {
         let branch = self
             .git_repo
             .find_branch(branch_name, git2::BranchType::Local)
-            .context(format!("cannot find branch {branch_name}"))?;
+            .context(format!("failed to find branch {branch_name}"))?;
         Ok(branch.into_reference().peel_to_commit()?.id())
     }
 
diff --git a/test_utils/src/lib.rs b/test_utils/src/lib.rs
index ec05cfd..6ca0a43 100644
--- a/test_utils/src/lib.rs
+++ b/test_utils/src/lib.rs
@@ -1054,7 +1054,7 @@ where
 /** copied from client.rs */
 async fn get_local_cache_database(git_repo_path: &Path) -> Result<NostrLMDB> {
     NostrLMDB::open(git_repo_path.join(".git/nostr-cache.lmdb"))
-        .context("cannot open or create nostr cache database at .git/nostr-cache.lmdb")
+        .context("failed to open or create nostr cache database at .git/nostr-cache.lmdb")
 }
 
 /** copied from client.rs */
@@ -1067,7 +1067,7 @@ pub async fn get_events_from_cache(
         .query(filters.clone())
         .await
         .context(
-            "cannot execute query on opened git repo nostr cache database .git/nostr-cache.lmdb",
+            "failed to execute query on opened git repo nostr cache database .git/nostr-cache.lmdb",
         )?
         .to_vec())
 }
@@ -1107,7 +1107,7 @@ pub fn get_proposal_branch_name_from_events(
             ));
         }
     }
-    bail!("cannot find proposal root with branch-name tag matching title")
+    bail!("failed to find proposal root with branch-name tag matching title")
 }
 
 pub static FEATURE_BRANCH_NAME_1: &str = "feature-example-t";