Version 0.7.0 raises many errors during tests

[masesdevelopers]

Describe the bug
Running the available test the application raises many errors

To Reproduce
Steps to reproduce the behavior:

1. Open KEFCore.Test solution
2. Run the test
3. See error

Expected behavior
The test shall run without errors

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 10
• Version: 0.7.0

Additional context
Latest JNet and KNet reports some incompatibility

[masesdevelopers]

KEFCore/src/KEFCore/Storage/Internal/KafkaStreamsBaseRetriever.cs

Line 178 in 6ed45d1

keyValueEnumerator = keyValueIterator?.GetEnumerator();

raises an exception about method not found, the problem is in the following definition
https://github.com/masesgroup/JNet/blob/55de80780328b7157cb345a888518ae0290e9454/src/net/JNet/Developed/Java/Util/Iterator.cs#L108
where it is used the wrong base type.