Remove assertion on the cache instance asserting whether the cache wa…

…s an instance of o.a.g.internal.cache.GemFireCacheImpl.

Remove assertion on the Region instance asserting whether the Region was an instance of o.a.g.internal.cache.AbstractRegion.

Resolves spring-projectsgh-70.

spring-geode-autoconfigure/src/test/java/org/springframework/geode/boot/autoconfigure/caching/AutoConfiguredCachingUnitTests.java

@@ -25,8 +25,6 @@
 
 import org.apache.geode.cache.Region;
 import org.apache.geode.cache.client.ClientCache;
-import org.apache.geode.internal.cache.AbstractRegion;
-import org.apache.geode.internal.cache.GemFireCacheImpl;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringBootConfiguration;
@@ -37,6 +35,7 @@
 import org.springframework.data.gemfire.tests.integration.IntegrationTestsSupport;
 import org.springframework.data.gemfire.tests.mock.annotation.EnableGemFireMockObjects;
 import org.springframework.geode.boot.autoconfigure.CachingProviderAutoConfiguration;
+import org.springframework.geode.util.GeodeAssertions;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import example.test.service.TestCacheableService;
@@ -75,10 +74,11 @@ public class AutoConfiguredCachingUnitTests extends IntegrationTestsSupport {
 	public void setup() {
 
 		assertThat(this.clientCache).isNotNull();
-		assertThat(this.clientCache).isNotInstanceOf(GemFireCacheImpl.class);
 		assertThat(this.randomNumbers).isNotNull();
-		// TODO: Why is AbstractRegion internal!?!?! #argh
-		assertThat(this.randomNumbers).isNotInstanceOf(AbstractRegion.class);
+
+		GeodeAssertions.assertThat(this.clientCache).isNotInstanceOfGemFireCacheImpl();
+		GeodeAssertions.assertThat(this.randomNumbers).isNotInstanceOfAbstractRegion();
+
 		assertThat(this.cacheableService).isNotNull();
 		assertThat(this.cacheableService.isCacheMiss()).isFalse();
 	}