YARN-10681. Fix assertion failure message in BaseSLSRunnerTest. Contributed by Szilard Nemeth.

hadoop-tools/hadoop-sls/src/test/java/org/apache/hadoop/yarn/sls/BaseSLSRunnerTest.java

@@ -126,7 +126,7 @@ public abstract class BaseSLSRunnerTest {
 
       if (!exceptionList.isEmpty()) {
         sls.stop();
-        Assert.fail("TestSLSRunner catched exception from child thread "
+        Assert.fail("TestSLSRunner caught exception from child thread "
             + "(TaskRunner.TaskDefinition): " + exceptionList);
         break;
       }