✅ Improve #enable test

Author: nevans

test/net/imap/test_imap_enable.rb

@@ -14,19 +14,16 @@ def test_enable
     ) do |server, imap|
       cmdq = server.commands
 
-      result1 = imap.enable(%w[CONDSTORE x-pig-latin])
-      result2 = imap.enable(:utf8, "condstore QResync")
-      result3 = imap.enable(:utf8, "UTF8=ACCEPT", "UTF8=ONLY")
-      cmd1, cmd2, cmd3 = Array.new(3) { cmdq.pop.raw.strip }
-
-      assert_equal "RUBY0001 ENABLE CONDSTORE x-pig-latin",         cmd1
-      assert_equal "RUBY0002 ENABLE UTF8=ACCEPT condstore QResync", cmd2
-      assert_equal "RUBY0003 ENABLE UTF8=ACCEPT",                   cmd3
-      assert_empty cmdq
+      enabled = imap.enable(%w[CONDSTORE x-pig-latin])
+      assert_equal "RUBY0001 ENABLE CONDSTORE x-pig-latin", cmdq.pop.raw.strip
+      assert_equal %w[CONDSTORE], enabled
+
+      enabled = imap.enable(:utf8, "condstore QResync")
+      assert_equal("RUBY0002 ENABLE UTF8=ACCEPT condstore QResync",
+                   cmdq.pop.raw.strip)
+      assert_equal %w[UTF8=ACCEPT], enabled
 
-      assert_equal %w[CONDSTORE],   result1
-      assert_equal %w[UTF8=ACCEPT], result2
-      assert_equal [],              result3
+      assert_empty cmdq
 
       assert_raise(Net::IMAP::DataFormatError) do
         imap.enable "injection\r\ninjected logout"