Add nowarn_export_all to test suites

test/acceptor_SUITE.erl

@@ -14,6 +14,7 @@
 
 -module(acceptor_SUITE).
 -compile(export_all).
+-compile(nowarn_export_all).
 
 -import(ct_helper, [doc/1]).
 -import(ct_helper, [name/0]).

test/sendfile_SUITE.erl

@@ -15,6 +15,7 @@
 
 -module(sendfile_SUITE).
 -compile(export_all).
+-compile(nowarn_export_all).
 
 -import(ct_helper, [config/2]).
 -import(ct_helper, [doc/1]).

test/shutdown_SUITE.erl

@@ -14,6 +14,7 @@
 
 -module(shutdown_SUITE).
 -compile(export_all).
+-compile(nowarn_export_all).
 
 -import(ct_helper, [doc/1]).
 -import(ct_helper, [name/0]).