test: update viewport count expectation to 7

Author: tnsardesai

cmd/browsers_test.go

@@ -1146,7 +1146,7 @@ func TestParseViewport_InvalidFormats(t *testing.T) {
 
 func TestGetAvailableViewports_ReturnsExpectedOptions(t *testing.T) {
 	viewports := getAvailableViewports()
-	assert.Len(t, viewports, 6)
+	assert.Len(t, viewports, 7)
 	assert.Contains(t, viewports, "2560x1440@10")
 	assert.Contains(t, viewports, "1920x1080@25")
 	assert.Contains(t, viewports, "1920x1200@25")