acvp: update subprocess_test.go

A recent change broke this but I didn't notice. (Which suggests that the
test isn't very useful, which is true, but I'm not ready to pull the
trigger on deleting it just yet.)

Change-Id: If120a553c095fa0be9f8e85fc05ee996a486621f
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/43484
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
diff --git a/util/fipstools/acvp/acvptool/subprocess/subprocess_test.go b/util/fipstools/acvp/acvptool/subprocess/subprocess_test.go
index c8c0853..c2cd9ae 100644
--- a/util/fipstools/acvp/acvptool/subprocess/subprocess_test.go
+++ b/util/fipstools/acvp/acvptool/subprocess/subprocess_test.go
@@ -438,7 +438,7 @@
 		},
 		{
 			algo:          "ACVP-AES-ECB",
-			p:             &blockCipher{"AES", 16, false},
+			p:             &blockCipher{"AES", 16, true, false, IterateAES},
 			validJSON:     validACVPAESECB,
 			invalidJSON:   invalidACVPAESECB,
 			expectedCalls: callsACVPAESECB,