diff --git a/test/placeholder_test.rb b/test/placeholder_test.rb
deleted file mode 100644
index d691456f..00000000
--- a/test/placeholder_test.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-class PlaceholderTest < ActiveSupport::TestCase
-  test("placeholder") { raise "Run `rails spec`. https://github.com/lobsters/lobsters/issues/585" }
-end
diff --git a/test/test_as_spec.rb b/test/test_as_spec.rb
new file mode 100644
index 00000000..8da83834
--- /dev/null
+++ b/test/test_as_spec.rb
@@ -0,0 +1,2 @@
+require 'rspec/core'
+RSpec::Core::Runner.run(['spec'])