fix regarding api change

Author: csviri

sample-operators/mysql-schema/src/test/java/io/javaoperatorsdk/operator/sample/MySQLSchemaOperatorE2E.java

@@ -43,8 +43,8 @@ class MySQLSchemaOperatorE2E {
     infrastructure.add(
         new NamespaceBuilder().withNewMetadata().withName(MY_SQL_NS).endMetadata().build());
     try {
-      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-deployment.yaml")).get());
-      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-service.yaml")).get());
+      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-deployment.yaml")).items());
+      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-service.yaml")).items());
     } catch (FileNotFoundException e) {
       e.printStackTrace();
     }

sample-operators/tomcat-operator/src/test/java/io/javaoperatorsdk/operator/sample/TomcatOperatorE2E.java

@@ -50,7 +50,7 @@ boolean isLocal() {
       : ClusterDeployedOperatorExtension.builder()
           .waitForNamespaceDeletion(false)
           .withOperatorDeployment(
-              client.load(new FileInputStream("k8s/operator.yaml")).get())
+              client.load(new FileInputStream("k8s/operator.yaml")).items())
           .build();
 
   Tomcat getTomcat() {

sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorE2E.java

@@ -31,7 +31,7 @@ public WebPageOperatorE2E() throws FileNotFoundException {}
               .build()
           : ClusterDeployedOperatorExtension.builder()
               .waitForNamespaceDeletion(false)
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get(),
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items(),
                   resources -> {
                     Deployment deployment = (Deployment) resources.stream()
                         .filter(r -> r instanceof Deployment).findFirst().orElseThrow();

sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorManagedDependentResourcesE2E.java

@@ -29,7 +29,7 @@ public WebPageOperatorManagedDependentResourcesE2E() throws FileNotFoundExceptio
               .build()
           : ClusterDeployedOperatorExtension.builder()
               .waitForNamespaceDeletion(false)
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get(),
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items(),
                   resources -> {
                     Deployment deployment = (Deployment) resources.stream()
                         .filter(r -> r instanceof Deployment).findFirst().orElseThrow();

sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorStandaloneDependentResourcesE2E.java

@@ -22,7 +22,7 @@ public WebPageOperatorStandaloneDependentResourcesE2E() throws FileNotFoundExcep
               .build()
           : ClusterDeployedOperatorExtension.builder()
               .waitForNamespaceDeletion(false)
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get())
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items())
               .build();
 
   @Override