Re-Enable Windows testing

[drernie]

• Could not parse local relative paths correctly (on Windows)
• Could not disable the test without falling below Coverage threshold
• Had no way to test locally
• Needed to focus on getting QuiltSync proof-of-concept (for Mac) by Quilt Retreat

---------------------------- Captured stdout call -----------------------------
Domain.FromURI: file :// d/a/quiltcore/quiltcore/tests/example -> file://d/a/quiltcore/quiltcore/tests/example
Domain.__init__: d/a/quiltcore/quiltcore/tests/example, <Scheme(file)>, {'factory': <Factory(quilt:quilt, {'factory': <Factory(quilt:quilt, {...})@.>})@.>, 'scheme': <Scheme(file:quilt, {'factory': <Factory(quilt:quilt, {'factory': <Factory(quilt:quilt, {...})@.>})@.>, 'scheme': <Scheme(file:quilt, {...})@file>})@file>}
Domain.ToPath: file :// d/a/quiltcore/quiltcore/tests/example
AsPath: d/a/quiltcore/quiltcore/tests/example
AsPath.drives: None
AsPath.key: d/a/quiltcore/quiltcore/tests/example
Domain.store: D:\a\quiltcore\quiltcore\d\a\quiltcore\quiltcore\tests\example

[drernie]

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---------------------------- Captured stdout setup ----------------------------
Domain.__init__: C:\Users\RUNNER~1\AppData\Local\Temp\tmp_rce9y8v, <Scheme(file)>, {'factory': <Factory(quilt:quilt, {'factory': <Factory(quilt:quilt, {...})@.>})@.>, 'scheme': <Scheme(file:quilt, {'factory': <Factory(quilt:quilt, {'factory': <Factory(quilt:quilt, {...})@.>})@.>, 'scheme': <Scheme(file:quilt, {...})@file>})@file>}
Domain.ToPath: file :// C:\Users\RUNNER~1\AppData\Local\Temp\tmp_rce9y8v
AsPath: C:\Users\RUNNER~1\AppData\Local\Temp\tmp_rce9y8v
AsPath.drives: None
AsPath.key: C:\Users\RUNNER~1\AppData\Local\Temp\tmp_rce9y8v
Domain.store: C:\Users\RUNNER~1\AppData\Local\Temp\tmp_rce9y8v