Add Kokoro script for running all Wycheproof tests.

This will be configured to run as a scheduled/manually-triggered job, as opposed to the smaller scope of the tests currently being run during presubmit/postsubmit (kokoro/run_continuous_tests.sh).

NOKEYCHECK=True
PiperOrigin-RevId: 507602263

kokoro/run_all_tests.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Fail on any error.
+set -e
+
+# Display commands to stderr.
+set -x
+
+if [[ -n "${KOKORO_ROOT}" ]] ; then
+  # Change to the repository root.
+  cd git*/wycheproof
+
+  use_bazel.sh "$(cat .bazelversion)"
+fi
+
+# TODO(ckl): Distinguish between test failures and execution failures.
+
+# Run all tests to generate logs.
+# We don't care about the test results, thus always return successfully.
+bazel query "kind(test, :all)" \
+  | grep AllTests \
+  | grep -v Local \
+  | xargs bazel test --test_output=all \
+  || exit 0