rubocops/class: allow disabled formulae to be without a test block

Library/Homebrew/rubocops/class.rb

@@ -71,6 +71,7 @@ module RuboCop
       class TestPresent < FormulaCop
         def audit_formula(_node, class_node, _parent_class_node, body_node)
           return if find_block(body_node, :test)
+          return if find_node_method_by_name(body_node, :disable!)
 
           offending_node(class_node) if body_node.nil?
           problem "A `test do` test block should be added"

Library/Homebrew/test/rubocops/class/test_present.rb

@@ -13,4 +13,14 @@ RSpec.describe RuboCop::Cop::FormulaAuditStrict::TestPresent do
       end
     RUBY
   end
+
+  it "reports no offenses when there is no test block and formula is disabled" do
+    expect_no_offenses(<<~RUBY)
+      class Foo < Formula
+        url 'https://brew.sh/foo-1.0.tgz'
+
+        disable! date: "2024-07-03", because: :unsupported
+      end
+    RUBY
+  end
 end