Fix tests

One of these was causing golint errors, the other failing due to txdb not being registered.

core/services/chainlink/config_database_test.go

@@ -29,24 +29,24 @@ URL = "postgresql://doesnotexist:justtopassvalidationtests@localhost:5432/chainl
 	assert.Nil(t, backup.URL())
 
 	db := cfg.Database()
-	assert.Equal(t, db.DefaultIdleInTxSessionTimeout(), 1*time.Minute)
-	assert.Equal(t, db.DefaultLockTimeout(), 1*time.Hour)
-	assert.Equal(t, db.DefaultQueryTimeout(), 1*time.Second)
-	assert.Equal(t, db.LogSQL(), true)
-	assert.Equal(t, db.MaxIdleConns(), 7)
-	assert.Equal(t, db.MaxOpenConns(), 13)
-	assert.Equal(t, db.MigrateDatabase(), true)
-	assert.Equal(t, db.Dialect(), pgcommon.Postgres)
+	assert.Equal(t, 1*time.Minute, db.DefaultIdleInTxSessionTimeout())
+	assert.Equal(t, 1*time.Hour, db.DefaultLockTimeout())
+	assert.Equal(t, 1*time.Second, db.DefaultQueryTimeout())
+	assert.Equal(t, true, db.LogSQL())
+	assert.Equal(t, 7, db.MaxIdleConns())
+	assert.Equal(t, 13, db.MaxOpenConns())
+	assert.Equal(t, true, db.MigrateDatabase())
+	assert.Equal(t, pgcommon.Postgres, db.Dialect())
 	url := db.URL()
 	assert.NotEqual(t, url.String(), "")
 
 	lock := db.Lock()
-	assert.Equal(t, lock.LockingMode(), "none")
-	assert.Equal(t, lock.LeaseDuration(), 1*time.Minute)
-	assert.Equal(t, lock.LeaseRefreshInterval(), 1*time.Second)
+	assert.Equal(t, "none", lock.LockingMode())
+	assert.Equal(t, 1*time.Minute, lock.LeaseDuration())
+	assert.Equal(t, 1*time.Second, lock.LeaseRefreshInterval())
 
 	l := db.Listener()
-	assert.Equal(t, l.MaxReconnectDuration(), 1*time.Minute)
-	assert.Equal(t, l.MinReconnectInterval(), 5*time.Minute)
-	assert.Equal(t, l.FallbackPollInterval(), 2*time.Minute)
+	assert.Equal(t, 1*time.Minute, l.MaxReconnectDuration())
+	assert.Equal(t, 5*time.Minute, l.MinReconnectInterval())
+	assert.Equal(t, 2*time.Minute, l.FallbackPollInterval())
 }

core/services/pg/connection_test.go

@@ -4,15 +4,14 @@ import (
 	"testing"
 	"time"
 
-	"github.com/google/uuid"
 	_ "github.com/jackc/pgx/v4/stdlib"
-	"github.com/jmoiron/sqlx"
 	"github.com/pkg/errors"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	pgcommon "github.com/smartcontractkit/chainlink-common/pkg/pg"
 	"github.com/smartcontractkit/chainlink-common/pkg/utils/tests"
+
+	"github.com/smartcontractkit/chainlink/v2/core/internal/testutils/pgtest"
 )
 
 var _ Getter = &mockGetter{}
@@ -67,11 +66,10 @@ func Test_checkVersion(t *testing.T) {
 
 func Test_disallowReplica(t *testing.T) {
 	tests.SkipShortDB(t)
-	db, err := sqlx.Open(string(pgcommon.TransactionWrappedPostgres), uuid.New().String())
-	require.NoError(t, err)
+	db := pgtest.NewSqlxDB(t)
 	t.Cleanup(func() { require.NoError(t, db.Close()) })
 
-	_, err = db.Exec("SET session_replication_role= 'origin'")
+	_, err := db.Exec("SET session_replication_role= 'origin'")
 	require.NoError(t, err)
 	err = disallowReplica(db)
 	require.NoError(t, err)