Nullpointer exception in unittest when updating repository version in 7.8.4

Steps to reproduce
1) Build 7.8.4 artifact [1]
2) Update the following versions:

<hippo.cms.version>2.24.06</hippo.cms.version>
<hippo.hst.version>2.26.07</hippo.hst.version>
<hippo.repository.version>2.24.09</hippo.repository.version>
<hippo.addon-channel-manager.version>2.24.06</hippo.addon-channel-manager.version>

3) build mvn clean install

Error:

T E S T S
-------------------------------------------------------
Running org.example.components.DetailTest
Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.345 sec <<< FAILURE!
doBeforeRender_MissingBean(org.example.components.DetailTest) Time elapsed: 0.305 sec <<< ERROR!
java.lang.NullPointerException
at org.hippoecm.hst.component.support.bean.BaseHstComponent.getObjectConverter(BaseHstComponent.java:544)
at org.hippoecm.hst.component.support.bean.BaseHstComponent.initBeansObjects(BaseHstComponent.java:529)
at org.hippoecm.hst.component.support.bean.BaseHstComponent.init(BaseHstComponent.java:139)
at org.example.components.DetailTest.doBeforeRender_MissingBean(DetailTest.java:109)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

[1]
mvn archetype:generate \
-DarchetypeRepository=http://maven.onehippo.com/maven2 \
-DarchetypeGroupId=org.onehippo.cms7 \
-DarchetypeArtifactId=hippo-archetype-website \
-DarchetypeVersion=1.07.04