test: fix article grammar in branch-name docstrings

Address review: 'an UPPERCASE acronym' -> 'an acronym in UPPERCASE' across the four branch-name case-sensitivity test docstrings (the indefinite article reads cleanly before 'acronym'). Docstring-only; no behavior change.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: jawwad-ali

tests/extensions/git/test_git_extension.py

@@ -300,7 +300,7 @@ def test_creates_branch_sequential(self, tmp_path: Path):
 
     def test_branch_name_short_word_case_sensitivity(self, tmp_path: Path):
         """A short word is dropped from the derived branch name unless it appears
-        as an UPPERCASE acronym in the description (case-sensitive, must match the
+        as an acronym in UPPERCASE in the description (case-sensitive, must match the
         PowerShell twin)."""
         project = _setup_project(tmp_path)
         # lowercase "go" (<3 chars, not an uppercase acronym) is dropped
@@ -446,7 +446,7 @@ def test_creates_branch_sequential(self, tmp_path: Path):
 
     def test_branch_name_short_word_case_sensitivity(self, tmp_path: Path):
         """PowerShell must match the bash twin: a short word is dropped unless it
-        appears as an UPPERCASE acronym (case-sensitive -cmatch, not -match)."""
+        appears as an acronym in UPPERCASE (case-sensitive -cmatch, not -match)."""
         project = _setup_project(tmp_path)
         r1 = _run_pwsh(
             "create-new-feature-branch.ps1", project, "-Json", "-DryRun", "Add go support",

tests/test_timestamp_branches.py

@@ -242,7 +242,7 @@ def test_sequential_default_with_existing_specs(self, git_repo: Path):
 
     def test_branch_name_short_word_case_sensitivity(self, git_repo: Path):
         """A short word is dropped from the derived branch name unless it appears
-        as an UPPERCASE acronym in the description. The PowerShell twin must use
+        as an acronym in UPPERCASE in the description. The PowerShell twin must use
         case-sensitive -cmatch to produce the same result."""
         r1 = run_script(git_repo, "--json", "--dry-run", "Add go support")
         assert r1.returncode == 0, r1.stderr
@@ -286,7 +286,7 @@ def test_powershell_scanner_uses_long_tryparse_for_large_prefixes(self):
     @pytest.mark.skipif(not _has_pwsh(), reason="pwsh not installed")
     def test_branch_name_short_word_case_sensitivity(self, ps_git_repo: Path):
         """Core create-new-feature.ps1 must drop a short word unless it appears as
-        an UPPERCASE acronym (case-sensitive -cmatch), matching the bash twin."""
+        an acronym in UPPERCASE (case-sensitive -cmatch), matching the bash twin."""
         script = ps_git_repo / "scripts" / "powershell" / "create-new-feature.ps1"
 
         def _run(desc: str) -> subprocess.CompletedProcess: