Remove unnecessary test cases
It is enough only one test case for a key type, algorithm pair when
testing the implicit usage flags.
@@ -537,7 +537,7 @@ class StorageFormatV0(StorageFormat):
"""
keys = [] #type: List[StorageKey]
kt = crypto_knowledge.KeyType(key_type, params)
- for bits in kt.sizes_to_test():
+ bits = kt.sizes_to_test()[0]
implicit = StorageKey.IMPLICIT_USAGE_FLAGS[implyer_usage]
usage_flags = 'PSA_KEY_USAGE_EXPORT'
material_usage_flags = usage_flags + ' | ' + implyer_usage.string
