Use "pub list-package-dirs" to resolve package URIs in analysis server.

pkg/analysis_server/test/test_all.dart

Index: pkg/analysis_server/test/test_all.dart
diff --git a/pkg/analysis_server/test/test_all.dart b/pkg/analysis_server/test/test_all.dart
index 831436faf8ad3892ff015be4d32beac62d886c15..82706f25fd1649eb0b11965f75549de09fd33fc8 100644
--- a/pkg/analysis_server/test/test_all.dart
+++ b/pkg/analysis_server/test/test_all.dart
@@ -17,6 +17,7 @@ import 'domain_search_test.dart' as domain_search_test;
 import 'domain_server_test.dart' as domain_server_test;
 import 'index/test_all.dart' as index_test_all;
 import 'operation/test_all.dart' as operation_test;
+import 'package_map_provider_test.dart' as package_map_provider_test;
 import 'package_uri_resolver_test.dart' as package_uri_resolver_test;
 import 'protocol_test.dart' as protocol_test;
 import 'resource_test.dart' as resource_test;
@@ -41,6 +42,7 @@ main() {
     domain_server_test.main();
     index_test_all.main();
     operation_test.main();
+    package_map_provider_test.main();
     package_uri_resolver_test.main();
     protocol_test.main();
     resource_test.main();