Fix analysis_server tests on Windows.

R=brianwilkerson@google.com

Change-Id: I9e66a81a8aab249ce4174085e2432e4ed53d943d
Reviewed-on: https://dart-review.googlesource.com/58142
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
diff --git a/pkg/analysis_server/test/analysis_server_test.dart b/pkg/analysis_server/test/analysis_server_test.dart
index f5fd828..175454e 100644
--- a/pkg/analysis_server/test/analysis_server_test.dart
+++ b/pkg/analysis_server/test/analysis_server_test.dart
@@ -143,14 +143,14 @@
   }
 
   test_setAnalysisSubscriptions_fileInIgnoredFolder_newOptions() async {
-    String path = '/project/samples/sample.dart';
+    String path = convertPath('/project/samples/sample.dart');
     newFile(path);
     newFile('/project/analysis_options.yaml', content: r'''
 analyzer:
   exclude:
     - 'samples/**'
 ''');
-    server.setAnalysisRoots('0', ['/project'], [], {});
+    server.setAnalysisRoots('0', [convertPath('/project')], [], {});
     server.setAnalysisSubscriptions(<AnalysisService, Set<String>>{
       AnalysisService.NAVIGATION: new Set<String>.from([path])
     });
@@ -163,14 +163,14 @@
   }
 
   test_setAnalysisSubscriptions_fileInIgnoredFolder_oldOptions() async {
-    String path = '/project/samples/sample.dart';
+    String path = convertPath('/project/samples/sample.dart');
     newFile(path);
     newFile('/project/.analysis_options', content: r'''
 analyzer:
   exclude:
     - 'samples/**'
 ''');
-    server.setAnalysisRoots('0', ['/project'], [], {});
+    server.setAnalysisRoots('0', [convertPath('/project')], [], {});
     server.setAnalysisSubscriptions(<AnalysisService, Set<String>>{
       AnalysisService.NAVIGATION: new Set<String>.from([path])
     });
diff --git a/pkg/analysis_server/test/domain_analysis_test.dart b/pkg/analysis_server/test/domain_analysis_test.dart
index d75a3b9..93d6395 100644
--- a/pkg/analysis_server/test/domain_analysis_test.dart
+++ b/pkg/analysis_server/test/domain_analysis_test.dart
@@ -576,7 +576,7 @@
   }
 
   test_afterAnalysis_noSuchFile() async {
-    String file = '/no-such-file.dart';
+    String file = convertPath('/no-such-file.dart');
     addTestFile('// no matter');
     createProject();
     // wait for analysis, no results initially