tests/pkg_cmsis-dsp: provide testscript

tests/pkg_cmsis-dsp/Makefile

 BOARD ?= samr21-xpro
 include ../Makefile.tests_common
 
+TEST_ON_CI_WHITELIST += all
 USEPKG += cmsis-dsp
 
 BOARD_WHITELIST := \
@@ -35,3 +36,6 @@ BOARD_WHITELIST := \
   #
 
 include $(RIOTBASE)/Makefile.include
+
+test:
+	$(CURDIR)/tests/01-run.py

tests/pkg_cmsis-dsp/tests/01-run.py

+#!/usr/bin/env python3
+
+import os
+import sys
+
+
+def testfunc(child):
+    child.expect(r"dsp:   0\.903941\d{3}")
+    child.expect_exact("reference:   0.903941793931839")
+    child.expect(r"diff:   0.000000[01]\d{2}")
+
+
+if __name__ == "__main__":
+    sys.path.append(os.path.join(os.environ['RIOTTOOLS'], 'testrunner'))
+    from testrunner import run
+    sys.exit(run(testfunc))