Address a build failure in the tests because of unhandled `XCTSkip`

[mokagio]

CI should be green.

Before — I haven't tracked down the PR/commit that introduced this (how did it pass CI?) the link there is just the first build I noticed.

After

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack Alpha by scanning the QR code below to install the corresponding build.

	App Name	Jetpack Alpha
	Configuration	Release-Alpha
	Build Number	pr23635-787555b
	Version	25.4
	Bundle ID	com.jetpack.alpha
	Commit	787555babb3d9c989eafaed416e756b10351067e
	App Center Build	jetpack-installable-builds #9802

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress Alpha by scanning the QR code below to install the corresponding build.

	App Name	WordPress Alpha
	Configuration	Release-Alpha
	Build Number	pr23635-787555b
	Version	25.4
	Bundle ID	org.wordpress.alpha
	Commit	787555babb3d9c989eafaed416e756b10351067e
	App Center Build	WPiOS - One-Offs #10759

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.