Improve example script test to show stdout in failing cases.

aidge_export_cpp/unit_tests/test_examples.py

@@ -9,8 +9,10 @@ EXAMPLES_DIR = CURRENT_DIR / "../../examples"
 
 # Dictionary of test cases: {id: (script_name, script_args)}
 TEST_CASES = {
-    "lenet-int8-no-args": ("export_LeNet/lenet.py", []),
-    "resnet18-int8-no-args": ("export_ResNet18/resnet18.py", ["--mock_db"])
+    "lenet-no-args": ("export_LeNet/lenet.py", []),
+    "lenet-int8": ("export_LeNet/lenet.py", ["--dtype=int8"]),
+    "resnet18-no-args": ("export_ResNet18/resnet18.py", ["--mock_db"]),
+    "resnet18-int8": ("export_ResNet18/resnet18.py", ["--mock_db", "--dtype=int8"])
 }
 
 def generate_test_cases():
@@ -30,7 +32,7 @@ def test_example_scripts_run_without_error(script_name, script_args):
         capture_output=True,
         text=True
     )
-    assert result.returncode == 0, f"{script_name} failed with error: {result.stderr}"
+    assert result.returncode == 0, f"{script_name} failed with error:\n{result.stderr}\n\nTraceback:\n{result.stdout}"
 
 
 def main():