Fix tests on Windows

Author: elopez

solc_select/infrastructure/filesystem.py

@@ -73,7 +73,7 @@ def get_version_source(self) -> str:
             return "SOLC_VERSION"
 
         global_version_file = self.config_dir / "global-version"
-        return str(global_version_file)
+        return global_version_file.as_posix()
 
     def get_artifact_directory(self, version: SolcVersion) -> Path:
         """Get the directory for a version's artifacts.

tests/utils.py

@@ -62,13 +62,20 @@ def run_command(
     """
     stderr_setting = subprocess.STDOUT if capture_stderr else subprocess.PIPE
 
-    result = subprocess.run(
-        cmd,
-        shell=True,
-        capture_output=False,
-        stdout=subprocess.PIPE,
-        stderr=stderr_setting,
-        text=True,
-        check=check,
-    )
-    return result
+    try:
+        return subprocess.run(
+            cmd,
+            shell=True,
+            capture_output=False,
+            stdout=subprocess.PIPE,
+            stderr=stderr_setting,
+            text=True,
+            check=check,
+        )
+    except subprocess.CalledProcessError as e:
+        print("Command failed with CalledProcessError.")
+        print("Exit code:", e.returncode)
+        print("Command:", e.cmd)
+        print("Stdout:", e.stdout)
+        print("Stderr:", e.stderr)
+        raise