test(logging): add timedict test (#1969)

* test(logging): add timedict test

* test(logging): fix quote

tests/unit/logging/test_logging_profile.py

@@ -0,0 +1,19 @@
+import time
+
+from jina.logging.profile import TimeDict
+
+
+def test_logging_profile_timedict():
+    td = TimeDict()
+    td('timer')
+    with td:
+        time.sleep(2)
+
+    assert int(td.accum_time['timer']) == 2
+    assert str(td) == 'timer: 2.0s'
+
+    td.reset()
+    assert len(td.accum_time) == 0
+    assert len(td.first_start_time) == 0
+    assert len(td.start_time) == 0
+    assert len(td.end_time) == 0