Set the environment variable NDB_STATUS_OK to indicate that cluster is...

Set the environment variable NDB_STATUS_OK to indicate that cluster is installed ok. This is actually not needed for this script as it will
skip ndb tests if cluster install failed. But provided for compatibility


mysql-test/include/have_ndb.inc:
  Revert

mysql-test/include/have_ndb.inc

+--exec test x$NDB_STATUS_OK = x1
 -- require r/have_ndb.require
 disable_query_log;
 show variables like "have_ndbcluster";

mysql-test/mysql-test-run.pl

@@ -2665,6 +2665,19 @@ sub do_before_run_mysqltest($)
   {
     mtr_tofile($master->[1]->{'path_myerr'},"CURRENT_TEST: $tname\n");
   }
+
+  if ( $mysql_version_id < 50000 )
+  {
+    # Set envirnoment variable NDB_STATUS_OK to 1
+    # if script decided to run mysqltest cluster _is_ installed ok
+    $ENV{'NDB_STATUS_OK'} = "1";
+  }
+  elsif ( $mysql_version_id < 50100 )
+  {
+    # Set envirnoment variable NDB_STATUS_OK to YES
+    # if script decided to run mysqltest cluster _is_ installed ok
+    $ENV{'NDB_STATUS_OK'} = "YES";
+  }
 }
 
 sub do_after_run_mysqltest($)