removed decorator on time sensitive tests.

tests/test_traffic_scheduling_problem.py

@@ -9,9 +9,6 @@
 from graph.traffic_scheduling_problem import moves_to_synchronous_moves
 
 
-import pytest
-
-
 def test_data_loading():
     """ Checks the two acceptable data formats - happy path. """
     g = Graph(from_list=[
@@ -629,7 +626,6 @@ def test_snake_gridlock():
     assert is_matching(expected, sync_moves), sync_moves
 
 
-@pytest.mark.timesensitive  # to include run: pytest tests --timesensitive . See tests/conftest.py for details.
 def test_5x5_graph():
     g = graph5x5()
     loads = {'a': [6], 'b': [11, 1], 'c': [16, 2], 'd': [17, 4], 'e': [19, 5], 'f': [20, 3]}
@@ -638,7 +634,6 @@ def test_5x5_graph():
     assert is_sequence_valid(sequence, g)
 
 
-@pytest.mark.timesensitive  # to include run: pytest tests --timesensitive . See tests/conftest.py for details.
 def test_2_trains():
     """
     two trains of loads are approaching each other.
@@ -695,7 +690,6 @@ def test_2_trains():
     assert is_matching(expected, sequence), sequence
 
 
-@pytest.mark.timesensitive  # to include run: pytest tests --timesensitive . See tests/conftest.py for details.
 def test_3_trains():
     """
     Two trains (abc & d) are going east. One train is going west (efgh).