blocks: Increase tolerance in message_strobe and message_debug tests

These tests fail on almost every OSX CI run, with readings as low as 4
on the second num_message() call, and as low as 12 on the third.

Signed-off-by: Clayton Smith <[email protected]>

Author: argilo

.packaging/conda_recipe/build.sh

@@ -31,8 +31,6 @@ else
         qa_header_payload_demux
         qa_hier_block2
         qa_hier_block2_message_connections
-        qa_message_debug
-        qa_message_strobe
         qa_python_message_passing
         qa_uncaught_exception
     )

gr-blocks/python/blocks/qa_message_debug.py

@@ -44,10 +44,10 @@ def test_001_t(self):
                                0, delta=2)  # 1st call, expect 0
         time.sleep(1.05)  # floor(1050/100) = 10
         self.assertAlmostEqual(msg_debug.num_messages(),
-                               10, delta=3)  # 2nd call == 10
+                               10, delta=8)  # 2nd call == 10
         time.sleep(1)  # floor(2050/100) = 20
         self.assertAlmostEqual(msg_debug.num_messages(),
-                               20, delta=4)  # 3rd call == 20
+                               20, delta=10)  # 3rd call == 20
 
         # change test message
         msg_strobe.to_basic_block()._post(pmt.intern("set_msg"), pmt.intern(new_msg))

gr-blocks/python/blocks/qa_message_strobe.py

@@ -43,10 +43,10 @@ def test_001_t(self):
                                0, delta=2)  # 1st call, expect 0
         time.sleep(1.05)  # floor(1050/100) = 10
         self.assertAlmostEqual(msg_debug.num_messages(),
-                               10, delta=3)  # 2nd call == 10
+                               10, delta=8)  # 2nd call == 10
         time.sleep(1)  # floor(2050/100) = 20
         self.assertAlmostEqual(msg_debug.num_messages(),
-                               20, delta=4)  # 3rd call == 20
+                               20, delta=10)  # 3rd call == 20
 
         # change test message
         msg_strobe.to_basic_block()._post(pmt.intern("set_msg"), pmt.intern(new_msg))