Update message builder and add a test command.

cogs/commands/test.py

@@ -0,0 +1,40 @@
+"""
+Commands for testing.
+"""
+
+import nextcord
+from nextcord.ext import commands
+
+from bot_messages.message_builder import MessageBuilder
+
+
+class TestCog(commands.Cog, name="Test commands."):
+    """
+    Class holds commands for testing.
+    """
+
+    def __init__(self, bot) -> None:
+        """
+        Default constructor for HelpCog class. Does nothing.
+        """
+        self.bot = bot
+
+    @nextcord.slash_command()
+    async def test(self, interaction: nextcord.Interaction):
+        """
+        Parent slash command for help. Never called.
+        """
+
+    @test.subcommand()
+    async def msg_builder(self, interaction: nextcord.Interaction):
+        """
+        Tests the message builder.
+
+        Args:
+            interaction (nextcord.Interaction): Interaction that invoked the command.
+        """
+
+        msg_bulder = MessageBuilder(self.bot.config, 0)
+        message = msg_bulder.get_vote_start()
+
+        await interaction.channel.send(content=message)