diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cb61dd38..5603d33d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     - run: uvx hatch run +py=${{matrix.python-version}} types:check
 
   test:
-    runs-on: ubuntu-latest
+    runs-on: ${{matrix.os}}
     strategy:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', pypy3.9, pypy3.10]
@@ -44,8 +44,9 @@ jobs:
 
     - name: Upload coverage data
       uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
+      if: matrix.os == 'ubuntu-latest'
       with:
-        name: coverage-data-${{ matrix.python-version }}-${{matrix.os}}-${{strategy.job-index}}
+        name: coverage-data-${{github.run_id}}-${{ matrix.python-version }}-${{matrix.os}}-${{strategy.job-index}}
         path: .coverage.*
         include-hidden-files: true
         if-no-files-found: ignore
@@ -64,7 +65,7 @@ jobs:
 
     - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
       with:
-        pattern: coverage-data-*
+        pattern: coverage-data-${{github.run_id}}-*
         merge-multiple: true
 
     - name: Combine coverage & fail if it's <100%
diff --git a/src/inline_snapshot/testing/_example.py b/src/inline_snapshot/testing/_example.py
index 1a747a77..789259ea 100644
--- a/src/inline_snapshot/testing/_example.py
+++ b/src/inline_snapshot/testing/_example.py
@@ -9,6 +9,7 @@
 from argparse import ArgumentParser
 from io import StringIO
 from pathlib import Path
+from pathlib import PurePosixPath
 from tempfile import TemporaryDirectory
 from typing import Any
 
@@ -175,7 +176,7 @@ def run_inline(
                 recorder.fix_all()
 
                 report_output = StringIO()
-                console = Console(file=report_output)
+                console = Console(file=report_output, width=80)
 
                 # TODO: add all the report output here
                 report_problems(console)
@@ -298,7 +299,7 @@ def run_pytest(
 
                 for name, content in sorted(self._read_files(tmp_path).items()):
                     if name not in self.files or self.files[name] != content:
-                        current_files[name] = content
+                        current_files[str(PurePosixPath(*Path(name).parts))] = content
                 assert changed_files == current_files
 
             return Example(self._read_files(tmp_path))
diff --git a/tests/test_formating.py b/tests/test_formating.py
index f640e656..1c756de2 100644
--- a/tests/test_formating.py
+++ b/tests/test_formating.py
@@ -1,3 +1,4 @@
+import platform
 import re
 import sys
 from types import SimpleNamespace
@@ -8,6 +9,8 @@
 from inline_snapshot.testing import Example
 from tests._is_normalized import normalization
 
+executable = sys.executable.replace("\\", "\\\\")
+
 
 def test_black_formatting_error(mocker):
     mocker.patch.object(CliRunner, "invoke", return_value=SimpleNamespace(exit_code=1))
@@ -77,7 +80,7 @@ def test_format_command():
 """,
             "pyproject.toml": f"""\
 [tool.inline-snapshot]
-format-command="{sys.executable} fmt_cmd.py {{filename}}"
+format-command="{executable} fmt_cmd.py {{filename}}"
 """,
             "test_a.py": """\
 from inline_snapshot import snapshot
@@ -106,13 +109,17 @@ def test_format_command_fail():
 
     @normalization
     def NoPaths(text):
+        path_re = "/[^ ]*/" if platform.system() != "Windows" else r".:\\[^ ]*\\"
         text = re.sub(
-            "The format_command.*following error:",
-            lambda m: m[0].replace("\n", ""),
+            "The.format_command.*following.error:",
+            lambda m: re.sub(" *\n *", " ", m[0]),
             text,
             flags=re.MULTILINE | re.DOTALL,
         )
-        text = re.sub("/[^ ]*/", "/.../", text, flags=re.MULTILINE)
+        text = re.sub(path_re, "/.../", text, flags=re.MULTILINE)
+
+        text = text.replace("python.exe", "python3")
+
         return text
 
     Example(
@@ -124,7 +131,7 @@ def NoPaths(text):
 """,
             "pyproject.toml": f"""\
 [tool.inline-snapshot]
-format-command="{sys.executable} fmt_cmd.py {{filename}}"
+format-command="{executable} fmt_cmd.py {{filename}}"
 """,
             "test_a.py": """
 from inline_snapshot import snapshot
diff --git a/tests/test_pytest_plugin.py b/tests/test_pytest_plugin.py
index 7160e729..6f6c7028 100644
--- a/tests/test_pytest_plugin.py
+++ b/tests/test_pytest_plugin.py
@@ -732,7 +732,7 @@ def test_storage_dir_config(project, tmp_path, storage_dir):
     project.pyproject(
         f"""
 [tool.inline-snapshot]
-storage-dir = "{storage_dir}"
+storage-dir = {str(storage_dir)!r}
 """
     )