diff --git a/src/test/java/io/streams/e2e/dummy/DummyST.java b/src/test/java/io/streams/e2e/dummy/DummyST.java
index cb85e77..5b1a99a 100644
--- a/src/test/java/io/streams/e2e/dummy/DummyST.java
+++ b/src/test/java/io/streams/e2e/dummy/DummyST.java
@@ -56,13 +56,13 @@ void installDebeziumFromManifestsTest() throws IOException {
     @Test
     void installFlinkAndCertManagerFromManifestsTest() throws IOException {
         CompletableFuture.allOf(
-            CertManagerInstaller.install()).join();
+            CertManagerInstaller.install(),
+            FlinkManifestInstaller.install()).join();
+
         assertTrue(KubeResourceManager.getKubeClient().getClient().apps()
             .deployments().inNamespace(CertManagerInstaller.OPERATOR_NS)
             .withName(CertManagerInstaller.DEPLOYMENT_NAME).isReady());
 
-        CompletableFuture.allOf(
-            FlinkManifestInstaller.install()).join();
         assertTrue(KubeResourceManager.getKubeClient().getClient().apps()
             .deployments().inNamespace(FlinkManifestInstaller.OPERATOR_NS)
             .withName(FlinkManifestInstaller.DEPLOYMENT_NAME).isReady());