Add markdown attribute to Task class for formatting responses in Markdown

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/test_markdown_task.py

@@ -0,0 +1,53 @@
+"""Test the markdown attribute in Task class."""
+
+import pytest
+from unittest.mock import patch
+
+from crewai import Agent, Task
+
+
+def test_markdown_option_in_task_prompt():
+    """Test that when markdown=True, the task prompt includes markdown formatting instructions."""
+    
+    researcher = Agent(
+        role="Researcher",
+        goal="Research a topic",
+        backstory="You're a researcher specialized in providing well-formatted content.",
+        allow_delegation=False,
+    )
+
+    task = Task(
+        description="Research advances in AI in 2023",
+        expected_output="A summary of key AI advances in 2023",
+        markdown=True,
+        agent=researcher,
+    )
+
+    prompt = task.prompt()
+    
+    assert "Research advances in AI in 2023" in prompt
+    assert "A summary of key AI advances in 2023" in prompt
+    assert "Your final answer MUST be formatted in Markdown syntax." in prompt
+
+
+def test_markdown_option_not_in_task_prompt_by_default():
+    """Test that by default (markdown=False), the task prompt does not include markdown formatting instructions."""
+    
+    researcher = Agent(
+        role="Researcher",
+        goal="Research a topic",
+        backstory="You're a researcher specialized in providing well-formatted content.",
+        allow_delegation=False,
+    )
+
+    task = Task(
+        description="Research advances in AI in 2023",
+        expected_output="A summary of key AI advances in 2023",
+        agent=researcher,
+    )
+
+    prompt = task.prompt()
+    
+    assert "Research advances in AI in 2023" in prompt
+    assert "A summary of key AI advances in 2023" in prompt
+    assert "Your final answer MUST be formatted in Markdown syntax." not in prompt