Circuit Breaker API Test

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https://github.com/rafoli/liferay-sample-workspace/tree/feature/circuitbreaker

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• [x] Create the test class and import dependencies.
• [X] Write automated tests to validate curcuit breaker open state.
• [x] Write automated tests to test whether configuration parameters are being considered.

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• [ ] Create the api-test folder (test/api-test).
• [ ] Create LiferaySampleCircuitBreakerTest.java test class.
• [ ] Edit the build.gradle to create and run the new tests.