add missing tests

mysql-test/suite/sys_vars/r/innodb_use_atomic_writes_basic.result

+select @@global.innodb_use_atomic_writes;
+@@global.innodb_use_atomic_writes
+0
+select @@session.innodb_use_atomic_writes;
+ERROR HY000: Variable 'innodb_use_atomic_writes' is a GLOBAL variable
+show global variables like 'innodb_use_atomic_writes';
+Variable_name	Value
+innodb_use_atomic_writes	OFF
+show session variables like 'innodb_use_atomic_writes';
+Variable_name	Value
+innodb_use_atomic_writes	OFF
+select * from information_schema.global_variables where variable_name='innodb_use_atomic_writes';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_USE_ATOMIC_WRITES	OFF
+select * from information_schema.session_variables where variable_name='innodb_use_atomic_writes';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_USE_ATOMIC_WRITES	OFF
+set global innodb_use_atomic_writes=1;
+ERROR HY000: Variable 'innodb_use_atomic_writes' is a read only variable
+set session innodb_use_atomic_writes=1;
+ERROR HY000: Variable 'innodb_use_atomic_writes' is a read only variable

mysql-test/suite/sys_vars/r/innodb_use_fallocate_basic.result

+select @@global.innodb_use_fallocate;
+@@global.innodb_use_fallocate
+1
+select @@session.innodb_use_fallocate;
+ERROR HY000: Variable 'innodb_use_fallocate' is a GLOBAL variable
+show global variables like 'innodb_use_fallocate';
+Variable_name	Value
+innodb_use_fallocate	ON
+show session variables like 'innodb_use_fallocate';
+Variable_name	Value
+innodb_use_fallocate	ON
+select * from information_schema.global_variables where variable_name='innodb_use_fallocate';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_USE_FALLOCATE	ON
+select * from information_schema.session_variables where variable_name='innodb_use_fallocate';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_USE_FALLOCATE	ON
+set global innodb_use_fallocate=1;
+ERROR HY000: Variable 'innodb_use_fallocate' is a read only variable
+set session innodb_use_fallocate=1;
+ERROR HY000: Variable 'innodb_use_fallocate' is a read only variable

mysql-test/suite/sys_vars/t/innodb_use_atomic_writes_basic.test

+--source include/have_innodb.inc
+# bool readonly
+
+#
+# show values;
+#
+select @@global.innodb_use_atomic_writes;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.innodb_use_atomic_writes;
+show global variables like 'innodb_use_atomic_writes';
+show session variables like 'innodb_use_atomic_writes';
+select * from information_schema.global_variables where variable_name='innodb_use_atomic_writes';
+select * from information_schema.session_variables where variable_name='innodb_use_atomic_writes';
+
+#
+# show that it's read-only
+#
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_use_atomic_writes=1;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set session innodb_use_atomic_writes=1;
+

mysql-test/suite/sys_vars/t/innodb_use_fallocate_basic.test

+--source include/have_innodb.inc
+# bool readonly
+
+#
+# show values;
+#
+select @@global.innodb_use_fallocate;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.innodb_use_fallocate;
+show global variables like 'innodb_use_fallocate';
+show session variables like 'innodb_use_fallocate';
+select * from information_schema.global_variables where variable_name='innodb_use_fallocate';
+select * from information_schema.session_variables where variable_name='innodb_use_fallocate';
+
+#
+# show that it's read-only
+#
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_use_fallocate=1;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set session innodb_use_fallocate=1;
+