Revert "Minimal test harness for iOS (#13029)"

This reverts commit 0622b05.

Author: gaaclarke

build/darwin/ios_app.gni

@@ -850,8 +850,6 @@ FILE: ../../../flutter/shell/platform/darwin/common/framework/Source/FlutterStan
 FILE: ../../../flutter/shell/platform/darwin/common/framework/Source/FlutterStandardCodec_Internal.h
 FILE: ../../../flutter/shell/platform/darwin/common/framework/Source/flutter_codecs_unittest.mm
 FILE: ../../../flutter/shell/platform/darwin/common/framework/Source/flutter_standard_codec_unittest.mm
-FILE: ../../../flutter/shell/platform/darwin/ios/FlutterTestsInfo.plist
-FILE: ../../../flutter/shell/platform/darwin/ios/flutter_unittests.mm
 FILE: ../../../flutter/shell/platform/darwin/ios/framework/Flutter.podspec
 FILE: ../../../flutter/shell/platform/darwin/ios/framework/Headers/Flutter.h
 FILE: ../../../flutter/shell/platform/darwin/ios/framework/Headers/FlutterAppDelegate.h

ci/licenses_golden/licenses_flutter

@@ -5,7 +5,6 @@
 assert(is_ios)
 
 import("//build/config/ios/ios_sdk.gni")
-import("//flutter/build/darwin/ios_app.gni")
 import("//flutter/common/config.gni")
 import("//flutter/shell/gpu/gpu.gni")
 import("//flutter/shell/platform/darwin/common/framework_shared.gni")
@@ -331,29 +330,6 @@ shared_library("copy_and_verify_framework_headers") {
   ]
 }
 
-test_fixtures("flutter_tests_fixtures") {
-  fixtures = []
-}
-
-# Note: This currently isn't used, it might be removed.
-ios_app("FlutterTests") {
-  testonly = true
-
-  info_plist = "FlutterTestsInfo.plist"
-
-  sources = [
-    "flutter_unittests.mm",
-  ]
-
-  libs = [ "Foundation.framework" ]
-
-  deps = [
-    ":flutter_tests_fixtures",
-    "//flutter/runtime:libdart",
-    "//flutter/testing",
-  ]
-}
-
 group("flutter_framework") {
   deps = [
     ":copy_and_verify_framework_headers",

shell/platform/darwin/ios/BUILD.gn

@@ -2,48 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <iostream>
-#include <optional>
-#include <string>
-
-#include "flutter/fml/backtrace.h"
-#include "flutter/fml/build_config.h"
-#include "flutter/fml/command_line.h"
-#include "flutter/testing/debugger_detection.h"
-#include "flutter/testing/test_timeout_listener.h"
 #include "gtest/gtest.h"
 
-#ifdef OS_IOS
-#include <asl.h>
-#endif  // OS_IOS
-
-std::optional<fml::TimeDelta> GetTestTimeoutFromArgs(int argc, char** argv) {
-  const auto command_line = fml::CommandLineFromArgcArgv(argc, argv);
-
-  std::string timeout_seconds;
-  if (!command_line.GetOptionValue("timeout", &timeout_seconds)) {
-    // No timeout specified. Default to 30s.
-    return fml::TimeDelta::FromSeconds(30u);
-  }
-
-  const auto seconds = std::stoi(timeout_seconds);
-
-  if (seconds < 1) {
-    return std::nullopt;
-  }
-
-  return fml::TimeDelta::FromSeconds(seconds);
-}
-
 int main(int argc, char** argv) {
-  fml::InstallCrashHandler();
-#ifdef OS_IOS
-  asl_log_descriptor(NULL, NULL, ASL_LEVEL_NOTICE, STDOUT_FILENO,
-                     ASL_LOG_DESCRIPTOR_WRITE);
-  asl_log_descriptor(NULL, NULL, ASL_LEVEL_ERR, STDERR_FILENO,
-                     ASL_LOG_DESCRIPTOR_WRITE);
-#endif  // OS_IOS
-
   ::testing::InitGoogleTest(&argc, argv);
 
   // Check if the user has specified a timeout.