Fix QUIC core test display

Tests names will now display a pretty name instead of the test index.

For example new string is:
QuicStreamTests/QuicStreamTest.PendingStreamStaticness/Q048
as opposed to old:
QuicStreamTests/QuicStreamTest.PendingStreamStaticness/33

gfe-relnote: n/a, test-only
PiperOrigin-RevId: 269934211
Change-Id: I44552e9730c57e00a3829f5a15ba10d8af2dc207
diff --git a/quic/core/quic_config_test.cc b/quic/core/quic_config_test.cc
index fe04008..080912e 100644
--- a/quic/core/quic_config_test.cc
+++ b/quic/core/quic_config_test.cc
@@ -29,7 +29,8 @@
 // Run all tests with all versions of QUIC.
 INSTANTIATE_TEST_SUITE_P(QuicConfigTests,
                          QuicConfigTest,
-                         ::testing::ValuesIn(AllSupportedTransportVersions()));
+                         ::testing::ValuesIn(AllSupportedTransportVersions()),
+                         ::testing::PrintToStringParamName());
 
 TEST_P(QuicConfigTest, SetDefaults) {
   EXPECT_EQ(kMinimumFlowControlSendWindow,