error tests added

test/error_test.rb

@@ -0,0 +1,21 @@
+require_relative "minitest_helper"
+require_relative "../lib/voicemeeter"
+
+class CAPIErrorTest < Minitest::Test
+  def test_it_raises_an_unknown_parameter_error
+    e = assert_raises(Voicemeeter::Errors::VMCAPIError) { Test.vm.set("Unknown.Parameter", 1) }
+    assert_equal(e.code, -3)
+  end
+end
+
+class InvalidKindTest < MiniTest::Test
+  def test_it_raises_an_invalid_kind_error
+    assert_raises(Voicemeeter::Errors::VMError) { Voicemeeter::Remote.new("unknown_kind") }
+  end
+end
+
+class UnknownConfigTest < MiniTest::Test
+  def test_it_raises_an_unknown_config_error
+    assert_raises(Voicemeeter::Errors::VMError) { Test.vm.apply_config(:unknown) }
+  end
+end