GoFile file = get(
parse("" +
"package main\n" +
"var e = make(int, 1)"));
GoBuiltinCallOrConversionExpression builtin =
castAs(GoBuiltinCallOrConversionExpression.class, 0,
childAt(0,
childAt(0,
file.getGlobalVariables()
).getDeclarations()
).getExpressions()
);
assertEquals("int", getAs(GoPsiTypeName.class, builtin.getTypeArgument()).getText());
assertEquals(builtin.getArguments().length, 1);
}