Continue reducing the test flakiness.

Limit the container size, otherwise mutation can time out due to mutating a batch of large inputs.

PiperOrigin-RevId: 756881055

e2e_tests/corpus_database_test.cc

diff --git a/e2e_tests/corpus_database_test.cc b/e2e_tests/corpus_database_test.cc
index ff470e2..b9136d1 100644
--- a/e2e_tests/corpus_database_test.cc
+++ b/e2e_tests/corpus_database_test.cc
@@ -351,7 +351,7 @@
   run_options.fuzztest_flags = {{"corpus_database", GetCorpusDatabasePath()},
                                 {"fuzz_for", "20s"}};
   run_options.env = {{"TEST_TIMEOUT", "30"}};
-  run_options.timeout = absl::Seconds(40);
+  run_options.timeout = absl::Seconds(60);
   auto [status, std_out, std_err] = RunBinaryMaybeWithCentipede(
       GetCorpusDatabaseTestingBinaryPath(), run_options);
   EXPECT_THAT(std_err, AllOf(HasSubstr("Fuzzing FuzzTest.FailsInTwoWays"),

e2e_tests/testdata/fuzz_tests_for_corpus_database_testing.cc

diff --git a/e2e_tests/testdata/fuzz_tests_for_corpus_database_testing.cc b/e2e_tests/testdata/fuzz_tests_for_corpus_database_testing.cc
index 54b7d4a..8a4bdcc 100644
--- a/e2e_tests/testdata/fuzz_tests_for_corpus_database_testing.cc
+++ b/e2e_tests/testdata/fuzz_tests_for_corpus_database_testing.cc
@@ -25,7 +25,6 @@
 // 1. It fails with an assertion failure, e.g., when `v == {100}`.
 // 2. It fails with a heap buffer overflow, e.g., when `v == {101}`.
 void FailsInTwoWays(const std::vector<int>& v) {
-  if (v.size() % 7 != 1) return;
   // Compare A - B and 0 instead of A and B to not rely on auto-dictionary for
   // flipping the branches. Otherwise due to the current auto-dictionary
   // implementation sometimes the branches are not flipped evenly, causing test
@@ -37,7 +36,9 @@
     .WithDomains(
         // Use a range that begins/ends with multiples of 3 to avoid unwanted
         // bias.
-        fuzztest::ContainerOf<std::vector<int>>(fuzztest::InRange(99, 255)));
+        fuzztest::ContainerOf<std::vector<int>>(fuzztest::InRange(99, 255))
+            // Limit the size to avoid batch timeouts in the e2e test setting.
+            .WithSize(1));
 
 int ReachStackOverflow(int n) {
   // Use volatile to prevent the compiler from inlining the recursion.