KTLN-860: Fixed unit tests

Signed-off-by: Diego Torres <[email protected]>

Author: diegotorrespy

kotlin-libraries-http/src/test/kotlin/com/baeldung/retrofit/FileDownloadServiceTest.kt renamed to kotlin-libraries-http/src/test/kotlin/com/baeldung/retrofit/FileDownloadServiceUnitTest.kt

@@ -5,10 +5,10 @@ import org.junit.Test
 import java.io.File
 import kotlin.test.assertTrue
 
-class FileDownloadServiceTest {
+class FileDownloadServiceUnitTest {
 
     @Test
-    fun `test successful file download`(): Unit = runBlocking {
+    fun testSuccessfulFileDownload(): Unit = runBlocking {
 
         // File to store the downloaded content
         val outputFile = File("test_sample.pdf")