Don't allow pre-release versions of the max in "<" constraints.

sdk/lib/_internal/pub/test/cache/add/all_adds_all_matching_versions_test.dart

Index: sdk/lib/_internal/pub/test/cache/add/all_adds_all_matching_versions_test.dart
diff --git a/sdk/lib/_internal/pub/test/cache/add/all_adds_all_matching_versions_test.dart b/sdk/lib/_internal/pub/test/cache/add/all_adds_all_matching_versions_test.dart
index a63627b9baa23211473daf749377c4adecf9697e..3939f5bf10dceacf18c72205106909ab5ab2d915 100644
--- a/sdk/lib/_internal/pub/test/cache/add/all_adds_all_matching_versions_test.dart
+++ b/sdk/lib/_internal/pub/test/cache/add/all_adds_all_matching_versions_test.dart
@@ -14,7 +14,6 @@ main() {
       packageMap("foo", "1.2.2"),
       packageMap("foo", "1.2.3-dev"),
       packageMap("foo", "1.2.3"),
-      packageMap("foo", "2.0.0-dev"),
       packageMap("foo", "2.0.0")
     ]);
 
@@ -22,8 +21,7 @@ main() {
         output: '''
           Downloading foo 1.2.2...
           Downloading foo 1.2.3-dev...
-          Downloading foo 1.2.3...
-          Downloading foo 2.0.0-dev...''');
+          Downloading foo 1.2.3...''');
 
     d.cacheDir({"foo": "1.2.2"}).validate();
     d.cacheDir({"foo": "1.2.3-dev"}).validate();