TestCase for BUG#41574 - REPAIR TABLE: crashes for compressed tables

Extending the existing testcase written for BUG#40949 to verify
repair table operation for compressed tables



mysql-test/r/myisampack.result:
  Modified result file for myisampack.test
mysql-test/t/myisampack.test:
  Modified Testcase to test repair operation for compressed tables

mysql-test/r/myisampack.result

@@ -48,4 +48,9 @@ Table	Op	Msg_type	Msg_text
 test.t1	optimize	error	Table 'test.t1' is read only
 Warnings:
 Error	1036	Table 't1' is read only
+repair table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	error	Table 'test.t1' is read only
+Warnings:
+Error	1036	Table 't1' is read only
 drop table t1;

mysql-test/t/myisampack.test

@@ -34,6 +34,8 @@ DROP TABLE t1;
 
 #
 # Bug#40949 Debug version of MySQL server crashes when run OPTIMIZE on compressed table.
+# expanded with testcase for
+# BUG#41574 - REPAIR TABLE: crashes for compressed tables
 #
 --disable_warnings
 drop table if exists t1;
@@ -55,4 +57,5 @@ insert into t1 select * from t1;
 flush tables;
 --exec $MYISAMPACK $MYSQLTEST_VARDIR/master-data/test/t1
 optimize table t1;
+repair table t1;
 drop table t1;