MM-19670: Migrate tests to use testify (#12883) (#12898)

* MM-19670: Migrate tests to use testify (#12883)

* MM-19670: (#12883) Applied changes requested in PR #12898

* MM-19670: (#12883) assert.Equal parameters are 'expected' and then 'actual'.

utils/time_test.go

@@ -6,6 +6,8 @@ package utils
 import (
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 var format = "2006-01-02 15:04:05.000000000"
@@ -15,18 +17,16 @@ func TestMillisFromTime(t *testing.T) {
 	actual := MillisFromTime(input)
 	expected := int64(1420115640000)
 
-	if actual != expected {
-		t.Fatalf("TestMillisFromTime failed, %v=%v", expected, actual)
-	}
+	assert.Equal(t, expected, actual)
 }
 
 func TestYesterday(t *testing.T) {
 	actual := Yesterday()
 	expected := time.Now().AddDate(0, 0, -1)
 
-	if actual.Year() != expected.Year() || actual.Day() != expected.Day() || actual.Month() != expected.Month() {
-		t.Fatalf("TestYesterday failed, %v=%v", expected, actual)
-	}
+	assert.Equal(t, expected.Year(), actual.Year())
+	assert.Equal(t, expected.Day(), actual.Day())
+	assert.Equal(t, expected.Month(), actual.Month())
 }
 
 func TestStartOfDay(t *testing.T) {
@@ -34,9 +34,7 @@ func TestStartOfDay(t *testing.T) {
 	actual := StartOfDay(input)
 	expected, _ := time.Parse(format, "2015-01-01 00:00:00.000000000")
 
-	if actual != expected {
-		t.Fatalf("TestStartOfDay failed, %v=%v", expected, actual)
-	}
+	assert.Equal(t, expected, actual)
 }
 
 func TestEndOfDay(t *testing.T) {
@@ -44,7 +42,5 @@ func TestEndOfDay(t *testing.T) {
 	actual := EndOfDay(input)
 	expected, _ := time.Parse(format, "2015-01-01 23:59:59.999999999")
 
-	if actual != expected {
-		t.Fatalf("TestEndOfDay failed, %v=%v", expected, actual)
-	}
+	assert.Equal(t, expected, actual)
 }