Spring Cloud Openfeign SpringDecoderIntegrationTests.testWildcardTypeDecode fails with boot 4/framework 7

feign.codec.DecodeException: Could not extract response: no suitable HttpMessageConverter found for response type [?] and content type [application/json]

    at feign.InvocationContext.decode(InvocationContext.java:125)
    at feign.InvocationContext.proceed(InvocationContext.java:94)
    at feign.ResponseHandler.handleResponse(ResponseHandler.java:69)
    at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:109)
    at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:53)
    at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:104)
    at org.springframework.cloud.openfeign.$Proxy169.getWildcard(Unknown Source)
    at org.springframework.cloud.openfeign.SpringDecoderIntegrationTests.testWildcardTypeDecode(SpringDecoderIntegrationTests.java:119)
    at java.base/java.lang.reflect.Method.invoke(Method.java:565)
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1604)
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1604)
Caused by: org.springframework.web.client.UnknownContentTypeException: Could not extract response: no suitable HttpMessageConverter found for response type [?] and content type [application/json]
    at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:131)
    at org.springframework.cloud.openfeign.support.SpringDecoder.decode(SpringDecoder.java:71)
    at org.springframework.cloud.openfeign.support.ResponseEntityDecoder.decode(ResponseEntityDecoder.java:54)
    at feign.optionals.OptionalDecoder.decode(OptionalDecoder.java:38)
    at feign.InvocationContext.decode(InvocationContext.java:121)
    ... 10 more