Fix style issues

While fixing `brew style` tap support, brew CI surfaced some style
issues in the test-bot tap. This fixes the style issues, so brew CI
will pass and the fix can be merged.

cmd/test-bot.rb

@@ -43,7 +43,8 @@ class TestBotCmd < AbstractCommand
                description: "Print test step output in real time. Has the side effect of " \
                             "passing output as raw bytes instead of re-encoding in UTF-8."
         switch "--test-default-formula",
-               description: "Use a default testing formula when not building a tap and no other formulae are specified."
+               description: "Use a default testing formula when not building " \
+                            "a tap and no other formulae are specified."
         flag   "--root-url=",
                description: "Use the specified <URL> as the root of the bottle's URL instead of Homebrew's default."
         flag   "--git-name=",

lib/test_bot.rb

@@ -22,7 +22,6 @@ module TestBot
 
     HOMEBREW_TAP_REGEX = %r{^([\w-]+)/homebrew-([\w-]+)$}
 
-
     def cleanup?(args)
       args.cleanup? || ENV["GITHUB_ACTIONS"].present?
     end

lib/tests/formulae.rb

@@ -134,10 +134,10 @@ def setup_formulae_deps_instances(formula, formula_name, args:)
         installed = Utils.safe_popen_read("brew", "list", "--formula", "--full-name").split("\n")
         dependencies =
           Utils.safe_popen_read("brew", "deps", "--formula",
-                                                "--include-build",
-                                                "--include-test",
-                                                "--full-name",
-                                                formula_name)
+                                "--include-build",
+                                "--include-test",
+                                "--full-name",
+                                formula_name)
                .split("\n")
         installed_dependencies = installed & dependencies
         installed_dependencies.each do |name|
@@ -588,7 +588,9 @@ def formula!(formula_name, args:)
       ensure
         cleanup_bottle_etc_var(formula) if cleanup?(args)
 
-        test "brew", "uninstall", "--formulae", "--force", *@unchanged_dependencies if @unchanged_dependencies.present?
+        if @unchanged_dependencies.present?
+          test "brew", "uninstall", "--formulae", "--force", *@unchanged_dependencies
+        end
       end
 
       def deleted_formula!(formula_name)