log-parser: Use time.IsZero() to check

Using time.IsZero() to check for uninitialised times is clearer

Signed-off-by: stevenhorsman <steven@uk.ibm.com>

src/tools/log-parser/logentry.go

@@ -129,7 +129,7 @@ func (le LogEntry) Check(ignoreMissingFields bool) error {
 		return fmt.Errorf("missing line number: %+v", le)
 	}
 
-	if le.Time == (time.Time{}) {
+	if le.Time.IsZero() {
 		return fmt.Errorf("missing timestamp: %+v", le)
 	}
 

src/tools/log-parser/parse_test.go

@@ -294,7 +294,7 @@ func TestParseTime(t *testing.T) {
 	}
 
 	for i, d := range data {
-		if d.timeString != "" && d.t == (time.Time{}) {
+		if d.timeString != "" && d.t.IsZero() {
 			t, err := time.Parse(time.RFC3339Nano, d.timeString)
 			assert.NoError(err)
 			d.t = t