Merge pull request #10552 from cladmi/pr/tests/native/disable_running_failing_tests_on_ci

tests/xtimer_now64_continuity|xtimer_usleep: disable running test on native

tests/xtimer_now64_continuity/Makefile

@@ -3,6 +3,7 @@ include ../Makefile.tests_common
 USEMODULE += fmt
 USEMODULE += xtimer
 
-TEST_ON_CI_WHITELIST += all
+# This test randomly fails on `native` so disable it from CI
+TEST_ON_CI_WHITELIST += samr21-xpro
 
 include $(RIOTBASE)/Makefile.include

tests/xtimer_usleep/Makefile

@@ -2,7 +2,8 @@ include ../Makefile.tests_common
 
 USEMODULE += xtimer
 
-TEST_ON_CI_WHITELIST += all
+# This test randomly fails on `native` so disable it from CI
+TEST_ON_CI_WHITELIST += samr21-xpro
 
 # Port and pin configuration for probing with oscilloscope
 # Port number should be found in port enum e.g in cpu/include/periph_cpu.h