Retry tests on macOS

Author: bortoz

.config/nextest.toml

@@ -1,6 +1,10 @@
 [profile.default]
 slow-timeout = { period = "10s", terminate-after = 6 }
 
+[[profile.default.overrides]]
+platform = 'cfg(target_os = "macos")'
+retries = 3
+
 [[profile.default.overrides]]
 filter = 'test(classic) or test(communication)'
 slow-timeout = { period = "20s", terminate-after = 20 }