Merged PR 230: #2084: add coverage fail condition

## Summary
Added a fail condition for coverage

## Test process
n/a

## Checklist
- [X] PR is linked to a **work item**
- [X] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [X] written **tests** for any new functionality added with this PR
- [ ] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [ ] updated the **change log**
- [X] ran **pre-commit** checks for code style
- [ ] attended to any **TO-DOs** left in the code

#2084: add coverage fail condition

Related work items: #2084

.azure/azure-ci-build-pipeline.yaml

@@ -95,7 +95,7 @@ stages:
               version: '2.1.x'
 
           - script: |
-              coverage run -m --source=primaite pytest -v -o junit_family=xunit2 --junitxml=junit/test-results.xml
+              coverage run -m --source=primaite pytest -v -o junit_family=xunit2 --junitxml=junit/test-results.xml --cov-fail-under=80
               coverage xml -o coverage.xml -i
               coverage html -d htmlcov -i
             displayName: 'Run tests and code coverage'

tests/unit_tests/_primaite/_simulator/_network/test_container.py

@@ -53,7 +53,7 @@ def test_reset_network(network):
     server_1.power_off()
     assert server_1.operating_state is NodeOperatingState.SHUTTING_DOWN
 
-    assert network.describe_state() is not state_before
+    assert network.describe_state() != state_before
 
     network.reset_component_for_episode(episode=1)
 
@@ -79,12 +79,16 @@ def test_apply_timestep_to_nodes(network):
     assert client_1.operating_state is NodeOperatingState.ON
 
     client_1.power_off()
+    assert client_1.operating_state is NodeOperatingState.SHUTTING_DOWN
 
     for i in range(client_1.shut_down_duration + 1):
         network.apply_timestep(timestep=i)
 
     assert client_1.operating_state is NodeOperatingState.OFF
 
+    network.apply_timestep(client_1.shut_down_duration + 2)
+    assert client_1.operating_state is NodeOperatingState.OFF
+
 
 def test_removing_node_that_does_not_exist(network):
     """Node that does not exist on network should not affect existing nodes."""