Merge pull request pymeasure#1145 from kpet/fix-hp-test-issue

Fix race condition in test suite due to HP8116A tests

AUTHORS.txt

@@ -85,3 +85,4 @@ Nick James Kirkby
 Konrad Gralher
 David Ziliak
 David Sun
+Kévin Petit

tests/instruments/hp/test_hp8116a.py

@@ -28,42 +28,46 @@
 from pymeasure.instruments.hp import HP8116A
 from pymeasure.instruments.hp.hp8116a import Status
 
-HP8116A.status = property(fget=lambda self: Status(5))
+
+class HP8116AWithMockStatus(HP8116A):
+    @property
+    def status(self):
+        return Status(5)
 
 
 init_comm = [(b"CST", b"x" * 87 + b' ,\r\n')]  # communication during init
 
 
 def test_init():
     with expected_protocol(
-            HP8116A,
+            HP8116AWithMockStatus,
             init_comm,
     ):
         pass  # Verify the expected communication.
 
 
 def test_duty_cycle():
     with expected_protocol(
-            HP8116A,
+            HP8116AWithMockStatus,
             init_comm + [(b"IDTY", b"00000035")],
     ) as instr:
         assert instr.duty_cycle == 35
 
 
 def test_duty_cycle_setter():
     with expected_protocol(
-            HP8116A,
+            HP8116AWithMockStatus,
             init_comm + [(b"DTY 34.5 %", None)],
     ) as instr:
         instr.duty_cycle = 34.5
 
 
 def test_sweep_time():
-    with expected_protocol(HP8116A, init_comm + [("SWT 5 S", None)]) as inst:
+    with expected_protocol(HP8116AWithMockStatus, init_comm + [("SWT 5 S", None)]) as inst:
         # This test tests also the generate_1_2_5_sequence method and truncation.
         inst.sweep_time = 3
 
 
 def test_limit_enabled():
-    with expected_protocol(HP8116A, init_comm + [("L1", None)]) as inst:
+    with expected_protocol(HP8116AWithMockStatus, init_comm + [("L1", None)]) as inst:
         inst.limit_enabled = True