Tests uses innodb, add test to check if innodb is available

mysql-test/t/func_group.test:
  Test uses innodb, add test to check if innodb is available
mysql-test/t/group_min_max.test:
  Test uses innodb, add test to check if innodb is available
mysql-test/t/join_outer.test:
  Test uses innodb, add test to check if innodb is available

mysql-test/t/func_group.test

@@ -2,6 +2,8 @@
 # simple test of all group functions
 #
 
+--source include/have_innodb.inc
+
 --disable_warnings
 drop table if exists t1,t2;
 --enable_warnings

mysql-test/t/group_min_max.test

@@ -3,6 +3,8 @@
 # The queries in this file test query execution via QUICK_GROUP_MIN_MAX_SELECT.
 #
 
+--source include/have_innodb.inc
+
 #
 # TODO:
 # Add queries with:

mysql-test/t/join_outer.test

@@ -2,6 +2,8 @@
 # test of left outer join
 #
 
+--source include/have_innodb.inc
+
 --disable_warnings
 drop table if exists t0,t1,t2,t3,t4,t5;
 --enable_warnings