refactor Test class

test/minitest_helper.rb

@@ -3,30 +3,26 @@ require "minitest/autorun"
 require_relative "../lib/voicemeeter"
 
 class Test
-  @vm = Voicemeeter::Remote.new([:basic, :banana, :potato].sample)
+  class << self
-  @vm.login
+    attr_reader :vm, :data
-  puts "Running #{@vm.kind.name} tests"
-
-  def self.vm
-    @vm
   end
 
+  @vm = Voicemeeter::Remote.new([:basic, :banana, :potato].sample)
+  vm.login
+  puts "Running #{vm.kind.name} tests"
+
   TestMap = Data.define(:name, :phys_in, :virt_in, :phys_out, :virt_out, :button_lower, :button_higher, :vban_in, :vban_out)
 
   @data = TestMap.new(
-    @vm.kind.name,
+    vm.kind.name,
-    @vm.kind.phys_in - 1,
+    vm.kind.phys_in - 1,
-    @vm.kind.virt_in - 1,
+    vm.kind.virt_in - 1,
-    @vm.kind.phys_out - 1,
+    vm.kind.phys_out - 1,
-    @vm.kind.virt_out - 1,
+    vm.kind.virt_out - 1,
     0, 79,
-    @vm.kind.vban[0] - 1,
+    vm.kind.vban[0] - 1,
-    @vm.kind.vban[1] - 1
+    vm.kind.vban[1] - 1
   )
 
-  def self.data
+  Minitest.after_run { vm.logout }
-    @data
-  end
-
-  Minitest.after_run { @vm.logout }
 end