chore(test): test correct filtering of messages from Knative broker

e2e/yaks/common/knative-broker/knative-broker.feature

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+Feature: Camel K can correctly filter messages from broker
+
+  Background:
+    Given Knative broker default is running
+    Given Disable auto removal of Camel-K resources
+    Given Disable auto removal of Kubernetes resources
+    Given Camel-K resource polling configuration
+      | maxAttempts          | 60   |
+      | delayBetweenAttempts | 3000 |
+
+  Scenario: Integration sends messages to the broker
+    Given create Camel-K integration sender.groovy
+    """
+    from('timer:tick?period=1000')
+      .setBody().constant('event-1')
+      .to('knative:event/evt1')
+
+    from('timer:tick?period=1000')
+      .setBody().constant('event-2')
+      .to('knative:event/evt2')
+
+    from('timer:tick?period=1000')
+      .setBody().constant('event-all')
+      .to('knative:event')
+    """
+    Then Camel-K integration sender should be running
+
+
+  Scenario: Integration receives the correct messages from the broker
+    Given create Camel-K integration receiver.groovy
+    """
+    from('knative:event/evt1')
+      .log('From evt1: $simple{body}')
+
+    from('knative:event/evt2')
+      .log('From evt2: $simple{body}')
+
+    from('knative:event')
+      .log('From all: $simple{body}')
+    """
+    Then Camel-K integration receiver should print From evt1: event-1
+    And Camel-K integration receiver should print From evt2: event-2
+    And Camel-K integration receiver should print From all: event-1
+    And Camel-K integration receiver should print From all: event-2
+    And Camel-K integration receiver should print From all: event-all
+    And Camel-K integration receiver should not print From evt1: event-2
+    And Camel-K integration receiver should not print From evt1: event-all
+    And Camel-K integration receiver should not print From evt2: event-1
+    And Camel-K integration receiver should not print From evt2: event-all
+    And delete Camel-K integration sender
+    And delete Camel-K integration receiver

e2e/yaks/common/knative-broker/yaks-config.yaml

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+# ---------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ---------------------------------------------------------------------------
+
+config:
+  namespace:
+    temporary: true
+pre:
+- name: installation
+  run: |
+    kamel install -n $YAKS_NAMESPACE