tryOverrideUsingPropertyKey(provider);
}
protected void tryOverrideUsingPropertyKey(String propertyKey) {
// isolate tests from eachother, as default credentialStore is static
Module credentialStoreModule = new CredentialStoreModule(
new ConcurrentHashMap<String, ByteSource>());
ComputeServiceContext context = null;
try {
Properties overrides = setupProperties();