Relax expected outcome of Sign_empty_key_nameandroid10-tests-dev

Signing empty data is valid, and enforcing the expectation of
an error is incorrect. Updating the test to reflect that
the response from signing empty data is not important, though
the call returning is important.

Fixes: 144610831

Change-Id: Idf9d4f08652ea91b26e89264b861091116c8df64
(cherry picked from commit 0922fdcdf011b9981829c95818aac8c296d3ed19)

1 files changed, 9 insertions, 6 deletions

diff --git a/wifi/keystore/1.0/vts/functional/VtsHalWifiKeystoreV1_0TargetTest.cpp b/wifi/keystore/1.0/vts/functional/VtsHalWifiKeystoreV1_0TargetTest.cpp
index 13a07f8..12096b4 100644
--- a/wifi/keystore/1.0/vts/functional/VtsHalWifiKeystoreV1_0TargetTest.cpp
+++ b/wifi/keystore/1.0/vts/functional/VtsHalWifiKeystoreV1_0TargetTest.cpp
@@ -254,21 +254,24 @@ TEST_F(WifiKeystoreHalTest, Sign_empty_data) {
         GTEST_SKIP() << "Device not running a debuggable build, cannot make test keys";
     }
 
-    IKeystore::KeystoreStatusCode statusCode;
+    bool callbackInvoked = false;
 
-    auto callback = [&statusCode](IKeystore::KeystoreStatusCode status,
-                                  const ::android::hardware::hidl_vec<uint8_t>& /*value*/) {
-        statusCode = status;
+    auto callback = [&callbackInvoked](IKeystore::KeystoreStatusCode /*status*/,
+                                       const ::android::hardware::hidl_vec<uint8_t>& /*value*/) {
+        // The result is ignored; this callback is a no-op.
+        callbackInvoked = true;
         return;
     };
 
     bool result = generateKey(kTestKeyName, KeyPurpose::SIGNING, AID_WIFI);
     EXPECT_EQ(result, true);
 
-    // The data to sign is empty, and a failure is expected
+    // The data to sign is empty. The return code is not important, and the attempt could be
+    // interpreted as valid or an error case. The goal is to determine that the callback
+    // was invokved.
     ::android::hardware::hidl_vec<uint8_t> dataToSign;
     keystore->sign(kTestKeyName, dataToSign, callback);
-    EXPECT_EQ(IKeystore::KeystoreStatusCode::ERROR_UNKNOWN, statusCode);
+    EXPECT_EQ(true, callbackInvoked);
 }
 
 TEST_F(WifiKeystoreHalTest, Sign_wrong_key_purpose) {