examples: fix import error for the https_x509_bundle example

examples/protocols/https_x509_bundle/example_test.py

@@ -1,21 +1,9 @@
-import re
 import os
-import sys
-
-try:
-    import IDF
-except ImportError:
-    # this is a test case write with tiny-test-fw.
-    # to run test cases outside tiny-test-fw,
-    # we need to set environment variable `TEST_FW_PATH`,
-    # then get and insert `TEST_FW_PATH` to sys path before import FW module
-    test_fw_path = os.getenv("TEST_FW_PATH")
-    if test_fw_path and test_fw_path not in sys.path:
-        sys.path.insert(0, test_fw_path)
-    import IDF
+import re
+import ttfw_idf
 
 
-@IDF.idf_example_test(env_tag="Example_WIFI", ignore=True)
+@ttfw_idf.idf_example_test(env_tag="Example_WIFI", ignore=True)
 def test_examples_protocol_https_x509_bundle(env, extra_data):
     """
     steps: |
@@ -27,8 +15,8 @@ def test_examples_protocol_https_x509_bundle(env, extra_data):
     # check and log bin size
     binary_file = os.path.join(dut1.app.binary_path, "https_x509_bundle.bin")
     bin_size = os.path.getsize(binary_file)
-    IDF.log_performance("https_x509_bundle_bin_size", "{}KB".format(bin_size // 1024))
-    IDF.check_performance("https_x509_bundle_bin_size", bin_size // 1024)
+    ttfw_idf.log_performance("https_x509_bundle_bin_size", "{}KB".format(bin_size // 1024))
+    ttfw_idf.check_performance("https_x509_bundle_bin_size", bin_size // 1024, dut1.TARGET)
     # start test
     dut1.start_app()
     num_URLS = dut1.expect(re.compile(r"Connecting to (\d+) URLs"), timeout=30)