do not test all units

Signed-off-by: iTrooz <[email protected]>

Author: iTrooz

pkg/cmd/util/flag/duration_test.go

@@ -25,24 +25,12 @@ func TestParseDuration(t *testing.T) {
 			expected: 0,
 			wantErr:  false,
 		},
-		{
-			name:     "nanoseconds only",
-			input:    "30ns",
-			expected: 30 * time.Nanosecond,
-			wantErr:  false,
-		},
 		{
 			name:     "seconds only",
 			input:    "30s",
 			expected: 30 * time.Second,
 			wantErr:  false,
 		},
-		{
-			name:     "minutes only",
-			input:    "5m",
-			expected: 5 * time.Minute,
-			wantErr:  false,
-		},
 		{
 			name:     "hours only",
 			input:    "2h",