MetacityTemplate/Packages/com.unity.metacity-sdk/Tests/Editor/Unity.YourPackageName.SubGroup.Editor.Tests.asmdef

{
    "name": "Unity.[YourPackageName].[SubGroup].Editor.Tests",
    "references": [
        "Unity.[YourPackageName].[SubGroup].Editor",
        "Unity.[YourPackageName].[SubGroup]"
    ],
    "optionalUnityReferences": [
        "TestAssemblies"
    ],
    "includePlatforms": [
        "Editor"
    ],
    "excludePlatforms": []
}