[rubygems/rubygems] Don't fail when `uninstall --all` with default gem

Instead, display an informative message saying that uninstallation of
specific versions is being skipped because of being default gems.

https://github.com/rubygems/rubygems/commit/b44845aa1d

1 files changed, 4 insertions, 4 deletions

diff --git a/test/rubygems/test_gem_uninstaller.rb b/test/rubygems/test_gem_uninstaller.rb
index 9dfef7cfda..bf5ef5b4a2 100644
--- a/test/rubygems/test_gem_uninstaller.rb
+++ b/test/rubygems/test_gem_uninstaller.rb
@@ -221,13 +221,13 @@ class TestGemUninstaller < Gem::InstallerTestCase
 
     uninstaller = Gem::Uninstaller.new spec.name, :executables => true
 
-    e = assert_raises Gem::InstallError do
+    use_ui @ui do
       uninstaller.uninstall
     end
 
-    assert_equal 'gem "default" cannot be uninstalled ' +
-                 'because it is a default gem',
-                 e.message
+    lines = @ui.output.split("\n")
+
+    assert_equal 'Gem default-2 cannot be uninstalled because it is a default gem', lines.shift
   end
 
   def test_uninstall_default_gem_with_same_version