Fix codecov score (#113)

https://app.codecov.io/gh/fastruby/skunk/commit/f6f63c825670e01a9fc01853848990345c1612ed

Author: JuanVqz

test/lib/skunk/command_factory_test.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+require "skunk/command_factory"
+require "skunk/commands/default"
+require "skunk/commands/version"
+
+describe Skunk::CommandFactory do
+  describe ".command_class" do
+    context "when mode does not exist" do
+      it "returns the default command" do
+        command = Skunk::CommandFactory.command_class(:foo)
+
+        _(command).must_equal Skunk::Command::Default
+      end
+    end
+
+    context "when mode exists" do
+      it "returns the version command" do
+        command = Skunk::CommandFactory.command_class(:version)
+
+        _(command).must_equal Skunk::Command::Version
+      end
+    end
+  end
+end