Fixed testcase bugs

Author: Sudhanshu96

Auth0UniversalComponents/Auth0UniversalComponentsSDKInitializer.swift

@@ -153,11 +153,13 @@ public actor Auth0UniversalComponentsSDKInitializer {
                                     tokenProvider: tokenProvider)
     }
 
-    /// Reset the SDK to an uninitialized state.
+    /// Reset the SDK telemetry state.
     ///
-    /// This is primarily used for testing purposes to clear the singleton instance.
+    /// This is primarily used for testing purposes. It resets the TelemetryManager
+    /// but does not nil out the shared instance to avoid race conditions in parallel tests.
+    /// The subsequent `initialize()` call will overwrite the instance completely.
     static func reset() {
-        _shared = nil
+        TelemetryManager.shared = TelemetryManager(configuration: .enabled)
     }
 }
 

Auth0UniversalComponentsTests/Mocks/MockURLProtocol.swift

@@ -1,7 +1,14 @@
 import Foundation
 
 final class MockURLProtocol: URLProtocol {
-    static var requestHandler: ((URLRequest) throws -> (HTTPURLResponse, Data?))?
+    nonisolated(unsafe) static var requestHandler: ((URLRequest) throws -> (HTTPURLResponse, Data?))?
+
+    private var capturedHandler: ((URLRequest) throws -> (HTTPURLResponse, Data?))?
+
+    override init(request: URLRequest, cachedResponse: CachedURLResponse?, client: (any URLProtocolClient)?) {
+        capturedHandler = Self.requestHandler
+        super.init(request: request, cachedResponse: cachedResponse, client: client)
+    }
 
     override static func canInit(with request: URLRequest) -> Bool {
         return true
@@ -12,8 +19,9 @@ final class MockURLProtocol: URLProtocol {
     }
 
     override func startLoading() {
-        guard let handler = MockURLProtocol.requestHandler else {
-            fatalError("MockURLProtocol requires a requestHandler.")
+        guard let handler = capturedHandler else {
+            client?.urlProtocol(self, didFailWithError: URLError(.unknown))
+            return
         }
 
         do {

Auth0UniversalComponentsTests/TOTPPushEnrollment/OTPViewModelTests.swift

@@ -102,10 +102,6 @@ struct OTPViewModelTests {
         return data
     }
 
-    init() async throws {
-        Auth0UniversalComponentsSDKInitializer.reset()
-    }
-
     @Test func testInit_initialState() async {
         let mockTokenProvider = MockTokenProvider()