AddToFuzzCorpus adds data to go-fuzz corpus.

AssertGRPCError checks that actual error has the same gRPC error code and message as expected error.

AssertGRPCErrorCode checks the error codes are equal.

AssertGRPCErrorRE checks that actual error has expected gRPC error code, and error messages matches expected regular expression.

GenCredentials generates test user email and password.

GenEmail generates test user email.

GetAWSKeys returns testing AWS keys.

SetTestIDReader sets IDReader for duration of the test.

IDReader is used in tests for ID/UUID generation.