More fixes for failures on the Windows bot

pkg/analyzer/test/source/package_map_resolver_test.dart

Index: pkg/analyzer/test/source/package_map_resolver_test.dart
diff --git a/pkg/analyzer/test/source/package_map_resolver_test.dart b/pkg/analyzer/test/source/package_map_resolver_test.dart
index c892947fef736e21547a1bcd6e9537fa723767ce..caf88da0b4f9f3cff2cfce4e1cfd9fc71582d2c8 100644
--- a/pkg/analyzer/test/source/package_map_resolver_test.dart
+++ b/pkg/analyzer/test/source/package_map_resolver_test.dart
@@ -12,9 +12,10 @@ import 'package:path/path.dart';
 import 'package:unittest/unittest.dart';
 
 import '../reflective_tests.dart';
+import '../utils.dart';
 
 main() {
-  groupSep = ' | ';
+  initializeTestEnvironment();
   runReflectiveTests(_PackageMapUriResolverTest);
 }
 
@@ -58,8 +59,8 @@ class _PackageMapUriResolverTest {
     const pkgFileB = '/part2/lib/libB.dart';
     provider.newFile(pkgFileA, 'library lib_a');
     provider.newFile(pkgFileB, 'library lib_b');
-    PackageMapUriResolver resolver = new PackageMapUriResolver(provider,
-        <String, List<Folder>>{
+    PackageMapUriResolver resolver =
+        new PackageMapUriResolver(provider, <String, List<Folder>>{
       'pkg': [
         provider.getResource('/part1/lib/'),
         provider.getResource('/part2/lib/')
@@ -95,8 +96,8 @@ class _PackageMapUriResolverTest {
     const pkgFileB = '/pkgB/lib/libB.dart';
     provider.newFile(pkgFileA, 'library lib_a;');
     provider.newFile(pkgFileB, 'library lib_b;');
-    PackageMapUriResolver resolver = new PackageMapUriResolver(provider,
-        <String, List<Folder>>{
+    PackageMapUriResolver resolver =
+        new PackageMapUriResolver(provider, <String, List<Folder>>{
       'pkgA': [provider.getResource('/pkgA/lib/')],
       'pkgB': [provider.getResource('/pkgB/lib/')]
     });
@@ -154,8 +155,8 @@ class _PackageMapUriResolverTest {
     const pkgFileB = '/pkgB/lib/src/libB.dart';
     provider.newFile(pkgFileA, 'library lib_a;');
     provider.newFile(pkgFileB, 'library lib_b;');
-    PackageMapUriResolver resolver = new PackageMapUriResolver(provider,
-        <String, List<Folder>>{
+    PackageMapUriResolver resolver =
+        new PackageMapUriResolver(provider, <String, List<Folder>>{
       'pkgA': [provider.getResource('/pkgA/lib/')],
       'pkgB': [provider.getResource('/pkgB/lib/')]
     });
@@ -183,8 +184,8 @@ class _PackageMapUriResolverTest {
     const file2 = '/foo2/lib/bar.dart';
     provider.newFile(file1, 'library bar');
     provider.newFile(file2, 'library bar');
-    PackageMapUriResolver resolver = new PackageMapUriResolver(provider,
-        <String, List<Folder>>{
+    PackageMapUriResolver resolver =
+        new PackageMapUriResolver(provider, <String, List<Folder>>{
       'foo': [
         provider.getResource('/foo1/lib'),
         provider.getResource('/foo2/lib')
@@ -207,8 +208,8 @@ class _PackageMapUriResolverTest {
     const file2 = '/foo2/bar2/lib.dart';
     provider.newFile(file1, 'library lib');
     provider.newFile(file2, 'library lib');
-    PackageMapUriResolver resolver = new PackageMapUriResolver(provider,
-        <String, List<Folder>>{
+    PackageMapUriResolver resolver =
+        new PackageMapUriResolver(provider, <String, List<Folder>>{
       'pkg1': [
         provider.getResource('/foo1'),
         provider.getResource('/foo2/bar2')