Return swiftly bin path, even in tests

Author: plemarquand

Sources/SwiftlyCore/Platform.swift

@@ -328,7 +328,6 @@ extension Platform {
     // Find the location where swiftly should be executed.
     public func findSwiftlyBin(_ ctx: SwiftlyCoreContext) throws -> String? {
         let swiftlyHomeBin = self.swiftlyBinDir(ctx).appendingPathComponent("swiftly", isDirectory: false).path
-
         // First, let's find out where we are.
         let cmd = CommandLine.arguments[0]
         let cmdAbsolute = if cmd.hasPrefix("/") {
@@ -353,11 +352,6 @@ extension Platform {
             return cmdAbsolute
         }
 
-        // If we're running inside an xctest then we don't have a location for this swiftly.
-        guard let cmdAbsolute, !cmdAbsolute.hasSuffix("xctest") else {
-            return nil
-        }
-
         return FileManager.default.fileExists(atPath: swiftlyHomeBin) ? swiftlyHomeBin : nil
     }