diff --git a/tests/gmii/__init__.py b/tests/gmii/__init__.py
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diff --git a/tests/ptp_clock/__init__.py b/tests/ptp_clock/__init__.py
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diff --git a/tests/rgmii/__init__.py b/tests/rgmii/__init__.py
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diff --git a/tests/xgmii/__init__.py b/tests/xgmii/__init__.py
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