KTLN-860: Fixed unit tests

Signed-off-by: Diego Torres <dtorres.py@gmail.com>

Author: diegotorrespy

kotlin-libraries-http/pom.xml

@@ -64,20 +64,6 @@
             <artifactId>retrofit</artifactId>
             <version>2.9.0</version>
         </dependency>
-        <dependency>
-            <groupId>com.squareup.okhttp3</groupId>
-            <artifactId>mockwebserver</artifactId>
-            <version>4.9.3</version>
-            <scope>test</scope>
-        </dependency>
-
-        <!-- Retrofit Gson Converter -->
-        <dependency>
-            <groupId>com.squareup.retrofit2</groupId>
-            <artifactId>converter-gson</artifactId>
-            <version>2.9.0</version>
-        </dependency>
-
     </dependencies>
 
     <properties>

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

@@ -1,39 +1,14 @@
 package com.baeldung.retrofit
 
 import kotlinx.coroutines.runBlocking
-import okhttp3.mockwebserver.MockResponse
-import okhttp3.mockwebserver.MockWebServer
-import org.junit.After
-import org.junit.Before
 import org.junit.Test
 import java.io.File
 import kotlin.test.assertTrue
 
 class FileDownloadServiceTest {
 
-    private lateinit var mockWebServer: MockWebServer
-
-    @Before
-    fun setup() {
-        mockWebServer = MockWebServer()
-        mockWebServer.start()
-    }
-
-    @After
-    fun tearDown() {
-        mockWebServer.shutdown()
-    }
-
     @Test
     fun `test successful file download`(): Unit = runBlocking {
-        // Mock response with sample PDF content
-        val mockResponse = MockResponse()
-            .setResponseCode(200)
-            .setBody("This is a mock PDF content") // Simulate PDF binary content
-        mockWebServer.enqueue(mockResponse)
-
-        // Get the mock server URL
-        val mockUrl = mockWebServer.url("/sample.pdf").toString()
 
         // File to store the downloaded content
         val outputFile = File("test_sample.pdf")
@@ -42,15 +17,12 @@ class FileDownloadServiceTest {
         }
 
         // Call the download function
-        downloadPdfWithRetrofit(mockUrl, outputFile)
-
-        // Verify the file was created and content matches
+        downloadPdfWithRetrofit("https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf", outputFile)
 
+        // Verify the file was created
         assertTrue(outputFile.exists())
-        assertTrue(outputFile.readText() == "This is a mock PDF content")
 
         // Clean up the test file
         outputFile.delete()
     }
-
 }