1 files changed, 5 insertions, 4 deletions
diff --git a/date_test.go b/date_test.go
index 3ec0b69..63cb19e 100644
--- a/date_test.go
+++ b/date_test.go
@@ -31,7 +31,9 @@ var trueExpectedDateList = []dateTest{
 func TestTimeToExcelTime(t *testing.T) {
 	for i, test := range trueExpectedDateList {
 		t.Run(fmt.Sprintf("TestData%d", i+1), func(t *testing.T) {
-			assert.Equalf(t, test.ExcelValue, timeToExcelTime(test.GoValue),
+			excelTime, err := timeToExcelTime(test.GoValue)
+			assert.NoError(t, err)
+			assert.Equalf(t, test.ExcelValue, excelTime,
 				"Time: %s", test.GoValue.String())
 		})
 	}
@@ -44,9 +46,8 @@ func TestTimeToExcelTime_Timezone(t *testing.T) {
 	}
 	for i, test := range trueExpectedDateList {
 		t.Run(fmt.Sprintf("TestData%d", i+1), func(t *testing.T) {
-			assert.Panics(t, func() {
-				timeToExcelTime(test.GoValue.In(location))
-			}, "Time: %s", test.GoValue.String())
+			_, err := timeToExcelTime(test.GoValue.In(location))
+			assert.EqualError(t, err, "only UTC time expected")
 		})
 	}
 }