[iOS] fix TestPlayer test helper dependency

[hborawski]

TestPlayer was in the wrong subspec but cocoapods poor module separation let it all work in this pod

also removed an XCTest import somewhere it did not belong

Version

Published prerelease version: 0.3.0-next.2

Changelog

🚀 Enhancement

• Enhancement/Parser Rewrite for plugins #80 ([email protected] @mercillo)

🐛 Bug Fix

• [iOS] fix TestPlayer test helper dependency #83 (@hborawski)
• [iOS] fix runtime warnings for published variables in Xcode14 #84 (@hborawski)
• [iOS] make some additional properties public #82 (@hborawski)
• change platform groupid #81 ([email protected] @brocollie08)
• [iOS] add registerPlugin(_:) to HeadlessPlayer API #79 (@hborawski)
• Cleanup Android dependencies #77 (@sugarmanz)

📝 Documentation

• Add algolia search to /latest/ site #76 (@adierkens)

Authors: 7

• @brocollie08
• Adam Dierkens (@adierkens)
• brocollie08 ([email protected])
• Harris Borawski (@hborawski)
• Jeremiah Zucker (@sugarmanz)
• Marlon Ercillo (@mercillo)
• mercillo ([email protected])