@Override
                    @SuppressWarnings("unchecked")
                    public Class<? extends ClientInterceptor>[] interceptors() {
                        return new Class[] {Interceptor1.class};
                    }
Tests for {@link GrpcClientBeanPostProcessor}.

@author Daniel Theuke (daniel.theuke@heuboe.de)
grpc-client-spring-boot-starter/src/test/java/net/devh/boot/grpc/client/inject/GrpcClientBeanPostProcessorTest.java