TableSortIndicatorTest fix (#12469)

Stabilize the tests by ensuring that the loading indicator is no longer
present when the screenshot comparison is done.

3 files changed, 2 insertions, 0 deletions

diff --git a/uitest/reference-screenshots/chrome/TableSortIndicatorTest-ascendingIndicatorIsShown_ANY_Chrome__ascending.png b/uitest/reference-screenshots/chrome/TableSortIndicatorTest-ascendingIndicatorIsShown_ANY_Chrome__ascending.png
index 58669454a1..dda7458004 100755
--- a/uitest/reference-screenshots/chrome/TableSortIndicatorTest-ascendingIndicatorIsShown_ANY_Chrome__ascending.png
+++ b/uitest/reference-screenshots/chrome/TableSortIndicatorTest-ascendingIndicatorIsShown_ANY_Chrome__ascending.png
diff --git a/uitest/reference-screenshots/chrome/TableSortIndicatorTest-descendingIndicatorIsShown_ANY_Chrome__descending.png b/uitest/reference-screenshots/chrome/TableSortIndicatorTest-descendingIndicatorIsShown_ANY_Chrome__descending.png
index 0b6205d449..c07c3ea7d5 100755
--- a/uitest/reference-screenshots/chrome/TableSortIndicatorTest-descendingIndicatorIsShown_ANY_Chrome__descending.png
+++ b/uitest/reference-screenshots/chrome/TableSortIndicatorTest-descendingIndicatorIsShown_ANY_Chrome__descending.png
diff --git a/uitest/src/test/java/com/vaadin/tests/themes/valo/TableSortIndicatorTest.java b/uitest/src/test/java/com/vaadin/tests/themes/valo/TableSortIndicatorTest.java
index 9fe927e84c..e05a69fb0b 100644
--- a/uitest/src/test/java/com/vaadin/tests/themes/valo/TableSortIndicatorTest.java
+++ b/uitest/src/test/java/com/vaadin/tests/themes/valo/TableSortIndicatorTest.java
@@ -21,6 +21,7 @@ public class TableSortIndicatorTest extends MultiBrowserTest {
 
         clickOnCellHeader();
 
+        waitUntilLoadingIndicatorNotVisible();
         compareScreen("ascending");
     }
 
@@ -32,6 +33,7 @@ public class TableSortIndicatorTest extends MultiBrowserTest {
         clickOnCellHeader();
         clickOnSortIndicator();
 
+        waitUntilLoadingIndicatorNotVisible();
         compareScreen("descending");
     }