[ADDENDUM] HBASE-28832 Fixed TestInfoServersACL test (#6571)

* There were some changes in the Bootstrap upgrade which caused the test to fail because the test expected certain text to appear on the UI page.

(cherry picked from commit 43f728c)

Author: PDavid

hbase-server/src/test/java/org/apache/hadoop/hbase/http/TestInfoServersACL.java

@@ -193,7 +193,7 @@ public Void run() throws Exception {
 
   @Test
   public void testTableActionsAvailableForAdmins() throws Exception {
-    final String expectedAuthorizedContent = "Actions:";
+    final String expectedAuthorizedContent = "Actions";
     UserGroupInformation admin = UserGroupInformation
       .loginUserFromKeytabAndReturnUGI(USER_ADMIN_STR, KEYTAB_FILE.getAbsolutePath());
     admin.doAs(new PrivilegedExceptionAction<Void>() {