chore(cli): Re-enable flutter tests

And remove platform limitation in Dockerfile generator.

Author: dnys1

apps/cli/fixtures/fixtures_test.dart

@@ -47,10 +47,7 @@ void main() {
     _ => false,
   };
   final includeTests = Platform.environment['INCLUDE_TESTS']?.split(',');
-  final excludeTests = {
-    ...?Platform.environment['EXCLUDE_TESTS']?.split(','),
-    'flutter', // TODO(dnys1): Re-enable on stable release
-  };
+  final excludeTests = Platform.environment['EXCLUDE_TESTS']?.split(',');
   final includeApis = Platform.environment['INCLUDE_APIS']?.split(',');
   final clearCache = Platform.environment['CLEAR_CACHE'] == 'true';
 
@@ -83,7 +80,8 @@ void main() {
         !includeTests.contains(p.basename(testDir.path))) {
       continue;
     }
-    if (excludeTests.contains(p.basename(testDir.path))) {
+    if (excludeTests != null &&
+        excludeTests.contains(p.basename(testDir.path))) {
       continue;
     }
     final testRunner = TestRunner(

apps/cli/fixtures/standalone/flutter/goldens/ast.json

@@ -33,10 +33,9 @@ ENV PORT=8080
 EXPOSE $PORT
 ''');
 
-  // TODO(dnys1): Remove `--platform=linux/amd64` when Celest supports arm64.
   static const String _dartExeTemplate = r'''
 # syntax=docker/dockerfile:1.2
-FROM --platform=linux/amd64 celestdev/runtime:latest
+FROM celestdev/runtime:latest
 
 WORKDIR /app
 COPY --chmod=755 main.exe .
@@ -46,17 +45,16 @@ ENV PORT=8080
 EXPOSE $PORT
 ''';
 
-  // TODO(dnys1): Remove `--platform=linux/amd64` when Celest supports arm64.
   static final Template _flutterTemplate = Template(r'''
 # syntax=docker/dockerfile:1
-FROM --platform=linux/amd64 celestdev/flutter-builder:{{version}} AS build
+FROM celestdev/flutter-builder:{{version}} AS build
 
 WORKDIR /app
 COPY main.aot.dill .
 
 RUN [ "/usr/lib/dart/bin/utils/gen_snapshot", "--snapshot_kind=app-aot-elf", "--elf=/app/main.aot", "/app/main.aot.dill" ]
 
-FROM --platform=linux/amd64 celestdev/flutter-runtime:{{version}}
+FROM celestdev/flutter-runtime:{{version}}
 
 WORKDIR /app
 COPY --from=build /app/main.aot main.aot