improved calendar test (#139)

Hope this will fix fail tests in AppAPI repo related to calendar and
`nc_py_api`

Signed-off-by: Alexander Piskun <bigcat88@icloud.com>

Author: bigcat88

.github/workflows/analysis-coverage.yml

@@ -537,7 +537,7 @@ jobs:
 
       - name: Install NcPyApi
         working-directory: nc_py_api
-        run: python3 -m pip -v install ".[dev-min,app]"
+        run: python3 -m pip -v install ".[dev]"
 
       - name: Checkout AppAPI
         uses: actions/checkout@v4

tests/actual_tests/calendar_test.py

@@ -8,16 +8,19 @@ def test_create_delete(nc):
         pytest.skip("caldav package is not installed")
 
     principal = nc.cal.principal()
-    calendars = principal.calendars()
-    assert calendars
-    calendar = calendars[0]
-    all_events_before = calendar.events()
-    event = calendar.save_event(
-        dtstart=datetime.datetime.now(),
-        dtend=datetime.datetime.now() + datetime.timedelta(hours=1),
-        summary="NcPyApi + CalDAV test",
-    )
-    all_events_after = calendar.events()
-    assert len(all_events_after) == len(all_events_before) + 1
-    event.delete()
-    assert len(calendar.events()) == len(all_events_before)
+    calendar = principal.make_calendar("test_nc_py_api")
+    try:
+        calendars = principal.calendars()
+        assert calendars
+        all_events_before = calendar.events()
+        event = calendar.save_event(
+            dtstart=datetime.datetime.now(),
+            dtend=datetime.datetime.now() + datetime.timedelta(hours=1),
+            summary="NcPyApi + CalDAV test",
+        )
+        all_events_after = calendar.events()
+        assert len(all_events_after) == len(all_events_before) + 1
+        event.delete()
+        assert len(calendar.events()) == len(all_events_before)
+    finally:
+        calendar.delete()