fix up tests

Author: kratsg

tests/test_backend_consistency.py

@@ -128,7 +128,7 @@ def test_hypotest_qmu_tilde(
     numpy_ratio_delta_unity = np.absolute(np.subtract(numpy_ratio, 1))
 
     # compare tensor libraries to each other
-    tensors_ratio = np.divide(test_statistic[1], test_statistic[2])
+    tensors_ratio = np.divide(test_statistic[0], test_statistic[1])
     tensors_ratio_delta_unity = np.absolute(np.subtract(tensors_ratio, 1))
 
     try:

tests/test_public_api.py

@@ -98,7 +98,7 @@ def test_supported_precision(precision_level):
 def test_custom_backend_name_supported():
     class custom_backend:
         def __init__(self, **kwargs):
-            self.name = "custom"
+            self.name = "numpy"
             self.precision = '64b'
 
         def _setup(self):