tests: don't output seed multiple times.

This clutters up the output. Instead, hide it with a RSpec formatter and
generate and output it ourselves.

2 files changed, 8 insertions, 0 deletions

diff --git a/Library/Homebrew/test/spec_helper.rb b/Library/Homebrew/test/spec_helper.rb
index 08766ea37..be184b6e0 100644
--- a/Library/Homebrew/test/spec_helper.rb
+++ b/Library/Homebrew/test/spec_helper.rb
@@ -5,6 +5,7 @@ require "rspec/wait"
 require "rubocop"
 require "rubocop/rspec/support"
 require "set"
+require "support/no_seed_progress_formatter"
 
 if ENV["HOMEBREW_TESTS_COVERAGE"]
   require "simplecov"
diff --git a/Library/Homebrew/test/support/no_seed_progress_formatter.rb b/Library/Homebrew/test/support/no_seed_progress_formatter.rb
new file mode 100644
index 000000000..e87a58143
--- /dev/null
+++ b/Library/Homebrew/test/support/no_seed_progress_formatter.rb
@@ -0,0 +1,7 @@
+require "rspec/core/formatters/progress_formatter"
+
+class NoSeedProgressFormatter < RSpec::Core::Formatters::ProgressFormatter
+  RSpec::Core::Formatters.register self, :seed
+
+  def seed(notification); end
+end