#175 make the mod_enum test more portable

mysql-test/suite/tokudb.alter_table/r/mod_enum.result

@@ -7,6 +7,7 @@ col1	col2
 1	value1
 2	value1
 3	value3
+set tokudb_disable_hot_alter=0;
 set tokudb_disable_slow_alter=1;
 ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value3');
 SELECT * FROM test_enum;
@@ -22,6 +23,7 @@ col1	col2
 1	value1
 2	value1
 3	value3
+set tokudb_disable_hot_alter=0;
 set tokudb_disable_slow_alter=1;
 ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value3');
 ERROR 42000: Table 'test_enum' uses an extension that doesn't exist in this MySQL version
@@ -41,6 +43,7 @@ col1	col2
 1	value1
 2	value1
 3	value3
+set tokudb_disable_hot_alter=0;
 set tokudb_disable_slow_alter=1;
 ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value4');
 ERROR 42000: Table 'test_enum' uses an extension that doesn't exist in this MySQL version

mysql-test/suite/tokudb.alter_table/t/mod_enum.test

@@ -12,6 +12,7 @@ CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM(
 INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
 SELECT * FROM test_enum;
 
+set tokudb_disable_hot_alter=0;
 set tokudb_disable_slow_alter=1;
 ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value3');
 SELECT * FROM test_enum;
@@ -23,6 +24,7 @@ CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM(
 INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
 SELECT * FROM test_enum;
 
+set tokudb_disable_hot_alter=0;
 set tokudb_disable_slow_alter=1;
 --error ER_UNSUPPORTED_EXTENSION
 ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value3');
@@ -39,6 +41,7 @@ CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM(
 INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
 SELECT * FROM test_enum;
 
+set tokudb_disable_hot_alter=0;
 set tokudb_disable_slow_alter=1;
 --error ER_UNSUPPORTED_EXTENSION
 ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value4');