[TOREE-543] Fix and enable JVMReprSpec (#209)

Author: pan3793

scala-interpreter/build.sbt

@@ -17,5 +17,6 @@ import sbt.Tests.{Group, SubProcess}
  *  limitations under the License
  */
 
+Test / fork := true
 libraryDependencies ++= Dependencies.sparkAll.value
 libraryDependencies += "com.github.jupyter" % "jvm-repr" % "0.1.0"

scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala

@@ -155,7 +155,7 @@ class ScalaInterpreter(private val config:Config = ConfigFactory.load) extends I
      doQuietly {
 
        bind(
-         "kernel", "org.apache.toree.kernel.api.Kernel",
+         "kernel", "org.apache.toree.kernel.api.KernelLike",
          kernel, List( """@transient implicit""")
        )
      }

scala-interpreter/src/test/scala/integration/interpreter/scala/JVMReprSpec.scala

@@ -28,13 +28,12 @@ import org.apache.toree.interpreter.Results.Success
 import org.apache.toree.kernel.api.{DisplayMethodsLike, KernelLike}
 import org.apache.toree.kernel.interpreter.scala.ScalaInterpreter
 import org.mockito.Mockito.doReturn
-import org.scalatest.{BeforeAndAfter, FunSpec, Ignore, Matchers}
+import org.scalatest.{BeforeAndAfter, FunSpec, Matchers}
 import org.scalatestplus.mockito.MockitoSugar
 
 import scala.util.Random
 
 @SbtForked
-@Ignore
 class JVMReprSpec extends FunSpec with Matchers with MockitoSugar with BeforeAndAfter {
 
   private val outputResult = new ByteArrayOutputStream()