Add a Enum class State that contains Bot running states

freqtrade/tests/test_state.py

@@ -0,0 +1,14 @@
+"""
+Unit test file for constants.py
+"""
+
+from freqtrade.state import State
+
+
+def test_state_object() -> None:
+    """
+    Test the State object has the mandatory states
+    :return: None
+    """
+    assert hasattr(State, 'RUNNING')
+    assert hasattr(State, 'STOPPED')