Replace calls to deprecated googletest macros *TEST_CASE() with *TEST_SUITE().

There is no semantic change; this is just a rename.
This change replaces the TEST_CASE, TestCase() family of APIs provided by googletest with TEST_SUITE, TestSuite() APIs.

PiperOrigin-RevId: 231706070
Change-Id: I32eeb007ac265afe26f76198abaea867f1cea1e2
diff --git a/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc b/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc
index 1df5214..c90cdcc 100644
--- a/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc
+++ b/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc
@@ -83,9 +83,8 @@
   const uint32_t length_;
 };
 
-INSTANTIATE_TEST_CASE_P(VariousLengths,
-                        GoAwayOpaqueDataLengthTests,
-                        ::testing::Values(0, 1, 2, 3, 4, 5, 6));
+INSTANTIATE_TEST_SUITE_P(VariousLengths, GoAwayOpaqueDataLengthTests,
+                         ::testing::Values(0, 1, 2, 3, 4, 5, 6));
 
 TEST_P(GoAwayOpaqueDataLengthTests, ValidLength) {
   Http2GoAwayFields goaway;