TT#56376 selenium: add wait_for_text() method

Added wait_for_text() to wait until a text appears.
Can also be used to check if text is here.
It will return true or false to be used in further testing

Change-Id: Ib28636b7757a5312652da86d3b43b9fd8547522b

t/lib/Selenium/Remote/Driver/FirefoxExtensions.pm

@@ -114,4 +114,22 @@ sub browser_name_in {
     return scalar grep {/^$browser_name$/} @names;
 }
 
+sub wait_for_text {
+    my ($self, $xpath, $expected, $timeout) = @_;
+    return unless $xpath && $expected;
+    $timeout = 5 unless $timeout; # seconds. Default timeout value if none is specified.
+    my $started = time();
+    my $elapsed = time();
+    try{
+        while ($elapsed - $started <= $timeout){
+            $elapsed = time();
+            return 1 if $self->find_element($xpath)->get_text() eq $expected;
+        }
+    }
+    catch{
+        return;
+    };
+    return;
+}
+
 1;

t/selenium/controller_customer.t

@@ -108,9 +108,7 @@ $d->find_element('//*[@id="save"]')->click();
 
 diag("Trying to find subscriber");
 $d->find_element('//*[@id="subscribers_table_filter"]/label/input')->send_keys($username);
-sleep(1) until $d->find_element('//*[@id="subscribers_table"]/tbody/tr/td[2]')->get_text() ~~ $username;
+ok($d->wait_for_text('//*[@id="subscribers_table"]/tbody/tr/td[2]', $username), 'Subscriber was found');
-my $userfromtable = $d->get_text('//*[@id="subscribers_table"]/tbody/tr/td[2]');
-is($userfromtable, $username, "Subscriber was found");
 
 diag("Edit Fraud Limits");
 my $elem = $d->find_element('//div[contains(@class,"accordion-heading")]//a[contains(text(),"Fraud Limits")]');

t/selenium/controller_domain.t

@@ -38,11 +38,8 @@ $d->find_element('//*[@id="Domain_table"]/tbody/tr/td'); #trying to trick ajax
 diag("Check if entry exists and if the search works");
 $d->find_element('//*[@id="Domain_table_filter"]/label/input')->clear();
 $d->find_element('//*[@id="Domain_table_filter"]/label/input')->send_keys($domainstring); #actual value
-sleep(1) until $d->find_element('//*[@id="Domain_table"]/tbody/tr/td[3]')->get_text() ~~ $domainstring; #waiting because ajax
+ok($d->wait_for_text('//*[@id="Domain_table"]/tbody/tr/td[3]', $domainstring), 'Entry was found');
 
-diag('Searching for element');
-my $domainfromtable = $d->get_text('//*[@id="Domain_table"]/tbody/tr/td[3]');
-is($domainfromtable, $domainstring, "Entry was found");
 sleep 1; # prevent stale element exception
 
 diag("Open Preferences of first Domain");