Raise ArgumentError for argument errors

1 files changed, 2 insertions, 2 deletions

diff --git a/Library/Homebrew/test/test_software_spec.rb b/Library/Homebrew/test/test_software_spec.rb
index db2242022..702d2c581 100644
--- a/Library/Homebrew/test/test_software_spec.rb
+++ b/Library/Homebrew/test/test_software_spec.rb
@@ -48,11 +48,11 @@ class SoftwareSpecTests < Homebrew::TestCase
   end
 
   def test_option_raises_when_begins_with_dashes
-    assert_raises(RuntimeError) { @spec.option('--foo') }
+    assert_raises(ArgumentError) { @spec.option("--foo") }
   end
 
   def test_option_raises_when_name_empty
-    assert_raises(RuntimeError) { @spec.option('') }
+    assert_raises(ArgumentError) { @spec.option("") }
   end
 
   def test_option_accepts_symbols