fix tests

Author: Atry

src/sbt-test/sbt-api-mappings/all-libraries/build.sbt

@@ -1,14 +1,5 @@
 def assertDownloadableApiDocumentation(url: URL) = {
-  import java.net.HttpURLConnection
-  val connection = url.openConnection().asInstanceOf[HttpURLConnection]
-  try {
-    assert(
-      (200 to 399).contains(connection.getResponseCode),
-      s"Unexpected HTTP response code ${connection.getResponseCode} when fetching $url"
-    )
-  } finally {
-    connection.disconnect()
-  }
+  assert(IO.readLinesURL(url).nonEmpty)
 }
 
 val check = TaskKey[Unit]("check")

src/test/scala/com/thoughtworks/sbtApiMappings/BootstrapApiMappingsSpec.scala

@@ -6,10 +6,13 @@ import org.scalatest.wordspec.AnyWordSpec
 
 class BootstrapApiMappingsSpec extends AnyWordSpec with Matchers {
   "BootstrapSbtApiMappings" should {
-    "provide a working default bootstrapJavadocURL" in {
-      val src = Source.fromURL(BootstrapApiMappings.defaultBootstrapJavadocUrl)
-      src.take(200).mkString should include("Generated by javadoc")
-      src.close()
+    "provide a working default bootstrapJavadocURL including java.lang package" in {
+      val src = Source.fromURL(raw"${BootstrapApiMappings.defaultBootstrapJavadocUrl}java/lang/package-summary.html")
+      try {
+        src.take(200).mkString should include("Generated by javadoc")
+      } finally {
+        src.close()
+      }
     }
   }
 }