Don't use .gitignore when determining what to build/serve/run.

sdk/lib/_internal/pub_generated/test/package_list_files_test.dart

Index: sdk/lib/_internal/pub_generated/test/package_list_files_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/package_list_files_test.dart b/sdk/lib/_internal/pub_generated/test/package_list_files_test.dart
index 466ee82e9a642e8393ff480bdb1f8ab46166625e..7a2c8616f1960438884a7a63f0931eabd3a89657 100644
--- a/sdk/lib/_internal/pub_generated/test/package_list_files_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/package_list_files_test.dart
@@ -6,8 +6,8 @@ import '../lib/src/io.dart';
 import '../lib/src/system_cache.dart';
 import 'descriptor.dart' as d;
 import 'test_pub.dart';
-var root;
-var entrypoint;
+String root;
+Entrypoint entrypoint;
 main() {
   initConfig();
   group('not in a git repo', () {
@@ -69,7 +69,7 @@ main() {
                     path.join(root, 'subdir', 'subfile2.txt')]));
       });
     });
-    integration("ignores files that are gitignored", () {
+    integration("ignores files that are gitignored if desired", () {
       d.dir(
           appPath,
           [
@@ -83,7 +83,7 @@ main() {
                       d.file('subfile2.text', 'subcontents')])]).create();
       schedule(() {
         expect(
-            entrypoint.root.listFiles(),
+            entrypoint.root.listFiles(useGitIgnore: true),
             unorderedEquals(
                 [
                     path.join(root, 'pubspec.yaml'),
@@ -91,6 +91,17 @@ main() {
                     path.join(root, 'file2.text'),
                     path.join(root, 'subdir', 'subfile2.text')]));
       });
+      schedule(() {
+        expect(
+            entrypoint.root.listFiles(),
+            unorderedEquals(
+                [
+                    path.join(root, 'pubspec.yaml'),
+                    path.join(root, 'file1.txt'),
+                    path.join(root, 'file2.text'),
+                    path.join(root, 'subdir', 'subfile1.txt'),
+                    path.join(root, 'subdir', 'subfile2.text')]));
+      });
     });
     commonTests();
   });