I have try to doing override minicart.php block but unfortunately not getting success of override.
you can see below code what i have implemented :
<blocks>
<test>
<class>ABC_Test_Block</class>
</test>
<minicart_head>
<rewrite>
<minicart_heads>ABC_Test_Block_Cart_Minicart</minicart_heads>
</rewrite>
</minicart_head>
</blocks>
can you please guide for resolve the issue.