v1.0.4 webapi fixes

test/api_test.dart

@@ -1,5 +1,3 @@
-import 'dart:convert';
-import 'dart:io';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:workouttest_util/model/cache.dart';
 import 'package:workouttest_util/service/api.dart';

test/openai_test.dart

@@ -14,6 +14,6 @@ void main() {
     var api = OpenAIApi();
     String response = await api.getOpenAICompletion("Who wrote the song 'yellow submarine'?");
     print(response);
-    expect(response, matches(RegExp(r'Beatles')));
+    expect(response, matches(RegExp(r'Beatles') ));
   });
 }