Added check to isolation test if Gemini is used

mysql-test/t/isolation.test:
  Added check if Gemini is used
  Removed 'use test'

mysql-test/t/isolation.test

+source include/have_gemini.inc
 source include/master-slave.inc;
 connection master;
-use test;
 drop table if exists t1;
 create table t1 (f1 char(20) not null) type = gemini;
 set autocommit=0;
 
 insert into t1 (f1) values ("test1"), ("bar");
 connection master1;
-use test;
 !$1030 select * from t1;
 connection master;
 commit;
@@ -16,7 +15,6 @@ drop table if exists t1;
 create table t1 (f1 char(20) not null) type = gemini;
 insert into t1 (f1) values ("test2"), ("bar");
 connection master1;
-use test;
 set transaction isolation level serializable;
 !$-1217 select * from t1;
 connection master;
@@ -26,7 +24,6 @@ drop table if exists t1;
 create table t1 (f1 char(20) not null) type = gemini;
 insert into t1 (f1) values ("test3"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read uncommitted;
 select * from t1;
 connection master;
@@ -35,7 +32,6 @@ commit;
 drop table if exists t1;
 create table t1 (f1 char(20) not null) type = gemini;
 connection master1;
-use test;
 set transaction isolation level read committed;
 select * from t1;
 connection master;
@@ -45,7 +41,6 @@ drop table if exists t1;
 create table t1 (f1 char(20) not null) type = gemini;
 insert into t1 (f1) values ("test4"), ("bar");
 connection master1;
-use test;
 set transaction isolation level repeatable read;
 select * from t1;
 connection master;
@@ -56,7 +51,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level serializable;
 insert into t1 (f1) values ("test5"), ("bar");
 connection master1;
-use test;
 set transaction isolation level serializable;
 select * from t1;
 connection master;
@@ -67,7 +61,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level serializable;
 insert into t1 (f1) values ("test6"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read uncommitted;
 select * from t1;
 connection master;
@@ -78,7 +71,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level serializable;
 insert into t1 (f1) values ("test7"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read committed;
 select * from t1;
 connection master;
@@ -89,7 +81,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level serializable;
 insert into t1 (f1) values ("test8"), ("bar");
 connection master1;
-use test;
 set transaction isolation level repeatable read;
 select * from t1;
 connection master;
@@ -100,7 +91,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read uncommitted;
 insert into t1 (f1) values ("test9"), ("bar");
 connection master1;
-use test;
 set transaction isolation level serializable;
 select * from t1;
 connection master;
@@ -111,7 +101,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read uncommitted;
 insert into t1 (f1) values ("test10"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read uncommitted;
 select * from t1;
 connection master;
@@ -122,7 +111,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read uncommitted;
 insert into t1 (f1) values ("test11"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read committed;
 select * from t1;
 connection master;
@@ -133,7 +121,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read uncommitted;
 insert into t1 (f1) values ("test12"), ("bar");
 connection master1;
-use test;
 set transaction isolation level repeatable read;
 select * from t1;
 connection master;
@@ -144,7 +131,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read committed;
 insert into t1 (f1) values ("test13"), ("bar");
 connection master1;
-use test;
 set transaction isolation level serializable;
 select * from t1;
 connection master;
@@ -155,7 +141,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read committed;
 insert into t1 (f1) values ("test14"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read uncommitted;
 select * from t1;
 connection master;
@@ -166,7 +151,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read committed;
 insert into t1 (f1) values ("test15"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read committed;
 select * from t1;
 connection master;
@@ -177,7 +161,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level read committed;
 insert into t1 (f1) values ("test16"), ("bar");
 connection master1;
-use test;
 set transaction isolation level repeatable read;
 select * from t1;
 connection master;
@@ -188,7 +171,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level repeatable read;
 insert into t1 (f1) values ("test17"), ("bar");
 connection master1;
-use test;
 set transaction isolation level serializable;
 select * from t1;
 connection master;
@@ -199,7 +181,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level repeatable read;
 insert into t1 (f1) values ("test18"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read uncommitted;
 select * from t1;
 connection master;
@@ -210,7 +191,6 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level repeatable read;
 insert into t1 (f1) values ("test19"), ("bar");
 connection master1;
-use test;
 set transaction isolation level read committed;
 select * from t1;
 connection master;
@@ -221,9 +201,8 @@ create table t1 (f1 char(20) not null) type = gemini;
 set transaction isolation level repeatable read;
 insert into t1 (f1) values ("test20"), ("bar");
 connection master1;
-use test;
 set transaction isolation level repeatable read;
 select * from t1;
 connection master;
 commit;
-
+drop table t1;