in cvs loader tests, use f-strings to build repository URLs

Summary: Suggested by ardumont in D6566

Reviewers: #reviewers, vlorentz

Reviewed By: #reviewers, vlorentz

Differential Revision: https://forge.softwareheritage.org/D6585

swh/loader/cvs/tests/test_loader.py

@@ -278,7 +278,7 @@ def test_loader_cvs_visit_pserver(swh_storage, datadir, tmp_path):
     repo_url += "/runbaby"  # CVS module name
 
     # Ask our cvsclient to connect via the 'cvs server' command
-    repo_url = "fake://" + repo_url[7:]
+    repo_url = f"fake://{repo_url[7:]}"
 
     loader = CvsLoader(
         swh_storage, repo_url, cvsroot_path=os.path.join(tmp_path, archive_name)
@@ -329,7 +329,7 @@ def test_loader_cvs_visit_pserver_no_eol(swh_storage, datadir, tmp_path):
     repo_url += "/greek-tree"  # CVS module name
 
     # Ask our cvsclient to connect via the 'cvs server' command
-    repo_url = "fake://" + repo_url[7:]
+    repo_url = f"fake://{repo_url[7:]}"
 
     loader = CvsLoader(
         swh_storage, repo_url, cvsroot_path=os.path.join(tmp_path, extracted_name)

[Phabricator Migration user]

Some references in the commit message have been migrated:

• D6566 is now !19 (closed)
• D6585 is now !20 (closed)