Improve NoMethodError Tests

test/t/nomethoderror.rb

@@ -2,17 +2,12 @@
 # NoMethodError ISO Test
 
 assert('NoMethodError', '15.2.32') do
-  e2 = nil
-  begin
+  NoMethodError.class == Class
+  assert_raise NoMethodError do
     doesNotExistAsAMethodNameForVerySure("")
-  rescue => e1
-    e2 = e1
   end
-
-  NoMethodError.class == Class and e2.class == NoMethodError
 end
 
 assert('NoMethodError superclass', '15.2.32.2') do
-  NoMethodError.superclass == NameError
+  assert_equal NoMethodError.superclass, NameError
 end
-