Add small fix for RetryRunner

DEVSIX-1972

Author: Veronika Lisovskaya

pdftest/src/main/java/com/itextpdf/test/runners/RetryRunner.java

@@ -128,6 +128,7 @@ private void retry(EachTestNotifier notifier, Statement statement, Throwable cur
         while (retryCount > failedAttempts) {
             try {
                 statement.evaluate();
+                break;
             } catch (Throwable e) {
                 System.out.println("Test Failed on attempt #" + (failedAttempts + 1));
                 failedAttempts++;