.......
MODULE=TestModule::TestAPI       PACKAGE=TestModule:Test1

int TestMethod1(.......)
.......
.....

MODULE=TestModule::TestAPI       PACKAGE=TestModule:Test2

int TestMethod2(........)
........
.......

##</code><code>##

use TestModule::TestAPI;

my $testbase = TestModule::TestAPI->New();
my $var1 = $testbase->TestMethod1(...);
my $var2 = $testbase->TestMethod2(...);