private HttpResponse executeRequest(Method method, String relativePath, String applicationId) {
        String fullPath = "/orchestrator/v1/suspensions/applications" + relativePath;
        var builder = HttpRequestBuilder.create(method, fullPath);
        if (applicationId != null) {
            builder.withRequestContent(new ByteArrayInputStream(applicationId.getBytes(StandardCharsets.UTF_8)));
        }
        return testDriver.executeRequest(builder.build());
    }
Tests the implementation of the orchestrator Application API.

@author smorgrav
@author bjorncs
orchestrator/src/test/java/com/yahoo/vespa/orchestrator/resources/ApplicationSuspensionRequestHandlerTest.java