1 files changed, 4 insertions, 1 deletions
diff --git a/test/test_helper.rb b/test/test_helper.rb
index d155982..e5685ec 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,13 +1,16 @@
 require 'bundler'
 
-if ENV['COVERAGE'] == 'YES'
+begin
   require 'simplecov'
   SimpleCov.start do
     add_filter '/test/'
     add_filter do |source_file|
       source_file.lines.count < 15
     end
+    minimum_coverage 80
   end
+rescue LoadError => e
+  $stderr.puts 'No test coverage tools found, skipping coverage check.'
 end
 
 require 'test/unit'