Fixing TZ test and adding a pointer value comparator

internal/testutils/test_utils.go

@@ -17,6 +17,7 @@ import (
 	"runtime"
 	"testing"
 	"time"
+	"unsafe"
 
 	"github.com/google/go-cmp/cmp"
 )
@@ -277,6 +278,13 @@ func AssertDeepEqual(t *testing.T, actual, expected interface{}, option ...cmp.O
 	}
 }
 
+// PointerComparer allows for comparison of the value of a given pointer
+var PointerComparer = cmp.Comparer(func(x, y func() string) bool {
+	px := *(*unsafe.Pointer)(unsafe.Pointer(&x))
+	py := *(*unsafe.Pointer)(unsafe.Pointer(&y))
+	return px == py
+})
+
 func assertQueryString(t *testing.T, actual, expected string) {
 	if !assert.Equal(t, actual, expected) {
 		printDiff(actual, expected)

tests/postgres/sample_test.go

@@ -370,10 +370,10 @@ ORDER BY employee.employee_id;
 		EmployeeID:     1,
 		FirstName:      "Windy",
 		LastName:       "Hays",
-		EmploymentDate: testutils.TimestampWithTimeZone("1999-01-08 04:05:06.1 +0100 CET", 1),
+		EmploymentDate: testutils.TimestampWithTimeZone("1999-01-08 03:05:06.1 +0000 UTC", 1),
 		ManagerID:      nil,
 		PtoAccrual:     ptr.Of("22:00:00"),
-	})
+	}, testutils.PointerComparer)
 
 	require.True(t, dest[0].Manager == nil)