Fix Android compilation by excluding FileManager tests

- Wrap FileManagerTests in #if !os(Android) since FileManager extensions are disabled on Android
- Update directoryExists to use url.path() method for better cross-platform compatibility

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: leogdion

Sources/BushelUtilities/Extensions/FileManager.swift

@@ -109,9 +109,16 @@ public import Foundation
   /// - Parameter url: The URL of the directory to check.
   /// - Returns: A `DirectoryExists` struct indicating the existence and type of the directory.
   public func directoryExists(at url: URL) -> DirectoryExists {
+    let path: String
+    if #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) {
+      path = url.path()
+    } else {
+      path = url.path
+    }
+
     var isDirectory: ObjCBool = false
     let fileExists = self.fileExists(
-      atPath: url.path,
+      atPath: path,
       isDirectory: &isDirectory
     )
 

Tests/BushelFoundationTests/FileManagerTests.swift

@@ -27,6 +27,7 @@
 //  OTHER DEALINGS IN THE SOFTWARE.
 //
 
+#if !os(Android)
 import BushelFoundationWax
 import XCTest
 
@@ -70,3 +71,4 @@ internal final class FileManagerTests: XCTestCase {
   //    XCTAssertEqual(sut.directoryExists(at: fileURL), .fileExists)
   //  }
 }
+#endif