drpc: run SQL vector index tests with DRPC enabled at random

This change introduces a package-level setting that
randomly enables drpc in the sql package.

Epic: CRDB-48935
Fixes: #155581
Release note: None

Author: Nukitt

pkg/sql/vecindex/main_test.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"testing"
 
+	"github.com/cockroachdb/cockroach/pkg/base"
 	"github.com/cockroachdb/cockroach/pkg/ccl"
 	_ "github.com/cockroachdb/cockroach/pkg/ccl/storageccl"
 	"github.com/cockroachdb/cockroach/pkg/security/securityassets"
@@ -25,6 +26,7 @@ func TestMain(m *testing.M) {
 	randutil.SeedForTests()
 	serverutils.InitTestServerFactory(server.TestServerFactory)
 	serverutils.InitTestClusterFactory(testcluster.TestClusterFactory)
+	serverutils.TestingGlobalDRPCOption(base.TestDRPCEnabledRandomly)
 	os.Exit(m.Run())
 }
 

pkg/sql/vecindex/vecstore/main_test.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"testing"
 
+	"github.com/cockroachdb/cockroach/pkg/base"
 	"github.com/cockroachdb/cockroach/pkg/security/securityassets"
 	"github.com/cockroachdb/cockroach/pkg/security/securitytest"
 	"github.com/cockroachdb/cockroach/pkg/server"
@@ -22,6 +23,7 @@ func TestMain(m *testing.M) {
 	securityassets.SetLoader(securitytest.EmbeddedAssets)
 	randutil.SeedForTests()
 	serverutils.InitTestServerFactory(server.TestServerFactory)
+	serverutils.TestingGlobalDRPCOption(base.TestDRPCEnabledRandomly)
 
 	os.Exit(m.Run())
 }