diff --git a/model_compression_toolkit/core/runner.py b/model_compression_toolkit/core/runner.py
index ac5db54bd..69b658a12 100644
--- a/model_compression_toolkit/core/runner.py
+++ b/model_compression_toolkit/core/runner.py
@@ -90,7 +90,7 @@ def core_runner(in_model: Any,
 
     # Checking whether to run mixed precision quantization
     if target_resource_utilization is not None and target_resource_utilization.is_any_restricted():
-        if core_config.mixed_precision_config is None:
+        if core_config.mixed_precision_config is None:  # pragma: no cover
             Logger.critical("Provided an initialized target_resource_utilization, that means that mixed precision quantization is "
                             "enabled, but the provided MixedPrecisionQuantizationConfig is None.")
         if target_resource_utilization.activation_restricted() or target_resource_utilization.total_mem_restricted():
diff --git a/tests/keras_tests/feature_networks_tests/feature_networks/manual_bit_selection.py b/tests/keras_tests/feature_networks_tests/feature_networks/manual_bit_selection.py
index 1ea3b589d..43f030d3d 100644
--- a/tests/keras_tests/feature_networks_tests/feature_networks/manual_bit_selection.py
+++ b/tests/keras_tests/feature_networks_tests/feature_networks/manual_bit_selection.py
@@ -208,3 +208,7 @@ def get_tpc(self):
 
     def get_resource_utilization(self):
         return mct.core.ResourceUtilization(activation_memory=6000)
+
+    def compare(self, quantized_model, float_model, input_x=None, quantization_info=None):
+        self.unit_test.assertTrue(len(quantization_info.mixed_precision_cfg) > 0, "Expected mixed-precision in test.")
+        super().compare(quantized_model, float_model, input_x=input_x, quantization_info=quantization_info)