ci: add example test for ulp_riscv example

examples/system/ulp_riscv/example_test.py

@@ -0,0 +1,32 @@
+from __future__ import unicode_literals
+
+import re
+import ttfw_idf
+
+
+@ttfw_idf.idf_example_test(env_tag='Example_GENERIC', target=['esp32s2'])
+def test_examples_ulp_riscv(env, extra_data):
+    dut = env.get_dut('ulp_riscv', 'examples/system/ulp_riscv')
+    dut.start_app()
+
+    dut.expect_all('Not a ULP-RISC-V wakeup, initializing it!',
+                   'Entering in deep sleep',
+                   timeout=30)
+
+    # Run two times to make sure device sleep
+    # and wake up properly
+    for i in range(0, 2):
+        # Pulling GPIO0 low using DTR
+        dut.port_inst.setDTR(True)
+
+        dut.expect('ULP-RISC-V woke up the main CPU!', timeout=5)
+
+        # We pulled GPIO0 low previously
+        dut.expect(re.compile(r'ULP-RISC-V read changes in GPIO_0 current is: Low'), timeout=5)
+
+        # Go back to sleep
+        dut.expect('Entering in deep sleep', timeout=5)
+
+
+if __name__ == '__main__':
+    test_examples_ulp_riscv()