Mock otr module for cmd_otr tests

tests/otr/mock_otr.h

@@ -0,0 +1,12 @@
+#ifndef MOCK_OTR_H
+#define MOCK_OTR_H
+
+#include "config/account.h"
+
+void mock_otr_keygen(void);
+void otr_keygen_expect(ProfAccount *account);
+
+void mock_otr_libotr_version(void);
+void otr_libotr_version_returns(char *version);
+
+#endif