fix(coderd/database): remove linux build tags from db package (#16633)

Remove linux build tags from database package to make sure we can run
tests on Mac OS.

coderd/database/db_test.go

@@ -1,5 +1,3 @@
-//go:build linux
-
 package database_test
 
 import (

coderd/database/dbtestutil/postgres_test.go

@@ -1,5 +1,3 @@
-//go:build linux
-
 package dbtestutil_test
 
 import (
@@ -21,6 +19,9 @@ func TestMain(m *testing.M) {
 
 func TestOpen(t *testing.T) {
 	t.Parallel()
+	if !dbtestutil.WillUsePostgres() {
+		t.Skip("this test requires postgres")
+	}
 
 	connect, err := dbtestutil.Open(t)
 	require.NoError(t, err)
@@ -35,6 +36,9 @@ func TestOpen(t *testing.T) {
 
 func TestOpen_InvalidDBFrom(t *testing.T) {
 	t.Parallel()
+	if !dbtestutil.WillUsePostgres() {
+		t.Skip("this test requires postgres")
+	}
 
 	_, err := dbtestutil.Open(t, dbtestutil.WithDBFrom("__invalid__"))
 	require.Error(t, err)
@@ -44,6 +48,9 @@ func TestOpen_InvalidDBFrom(t *testing.T) {
 
 func TestOpen_ValidDBFrom(t *testing.T) {
 	t.Parallel()
+	if !dbtestutil.WillUsePostgres() {
+		t.Skip("this test requires postgres")
+	}
 
 	// first check if we can create a new template db
 	dsn, err := dbtestutil.Open(t, dbtestutil.WithDBFrom(""))

coderd/database/migrations/migrate_test.go

@@ -1,5 +1,3 @@
-//go:build linux
-
 package migrations_test
 
 import (

coderd/database/pubsub/pubsub_linux_test.go

@@ -1,5 +1,3 @@
-//go:build linux
-
 package pubsub_test
 
 import (

coderd/database/querier_test.go

@@ -1,5 +1,3 @@
-//go:build linux
-
 package database_test
 
 import (