[reload_test] Update signature of the default hotReload()

- Make the signature consistent across all implementations.
- Correct some typos.

Change-Id: Ida6f2f1da940d71eb4160388eb0df5ddce4f7aa2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/389582
Reviewed-by: Sigmund Cherem <[email protected]>
Commit-Queue: Nicholas Shahan <[email protected]>

Author: nshahan

pkg/dev_compiler/test/hot_reload_suite.dart

@@ -426,7 +426,7 @@ Future<void> main(List<String> args) async {
     }
 
     // Skip this test directory if this platform is excluded.
-    if (testConfig.excludedPlaforms.contains(runtimePlatform)) {
+    if (testConfig.excludedPlatforms.contains(runtimePlatform)) {
       _print('Skipping test on platform: ${runtimePlatform.text}',
           label: testName);
       continue;

pkg/reload_test/lib/frontend_server_controller.dart

@@ -45,7 +45,7 @@ enum FrontendServerState {
   finished,
 }
 
-/// Controls and synchronizes the Frontend Server during hot reloaad tests.
+/// Controls and synchronizes the Frontend Server during hot reload tests.
 ///
 /// The Frontend Server accepts the following instructions:
 ///

pkg/reload_test/lib/src/_reload_utils_api.dart

@@ -12,4 +12,5 @@ void hotRestart() => throw Exception('Not implemented on this platform.');
 int get hotReloadGeneration =>
     throw Exception('Not implemented on this platform.');
 
-void hotReload() => throw Exception('Not implemented on this platform.');
+Future<void> hotReload() =>
+    throw Exception('Not implemented on this platform.');

pkg/reload_test/lib/test_helpers.dart

@@ -68,28 +68,28 @@ enum RuntimePlatforms {
 /// }
 class ReloadTestConfiguration {
   final Map<String, dynamic> _values;
-  final Set<RuntimePlatforms> excludedPlaforms;
+  final Set<RuntimePlatforms> excludedPlatforms;
   final String? expectedError;
 
   ReloadTestConfiguration._(
-      this._values, this.excludedPlaforms, this.expectedError);
+      this._values, this.excludedPlatforms, this.expectedError);
 
   factory ReloadTestConfiguration() => ReloadTestConfiguration._(
       const <String, dynamic>{}, <RuntimePlatforms>{}, null);
 
   factory ReloadTestConfiguration.fromJsonFile(Uri file) {
     final Map<String, dynamic> jsonData =
         jsonDecode(File.fromUri(file).readAsStringSync());
-    final excludedPlaforms = <RuntimePlatforms>{};
+    final excludedPlatforms = <RuntimePlatforms>{};
     var rawExcludedPlatforms = jsonData['exclude'];
     if (rawExcludedPlatforms != null) {
       for (final String platform in rawExcludedPlatforms) {
         final runtimePlatform = RuntimePlatforms.values.byName(platform);
-        excludedPlaforms.add(runtimePlatform);
+        excludedPlatforms.add(runtimePlatform);
       }
     }
     return ReloadTestConfiguration._(
-        jsonData, excludedPlaforms, jsonData['expectedError']);
+        jsonData, excludedPlatforms, jsonData['expectedError']);
   }
 
   String toJson() {