Fix lint warnings

Author: ashawley

Diff for: jvm/src/test/scala-2.x/scala/xml/XMLTestJVM2x.scala

@@ -1,18 +1,8 @@
 package scala.xml
 
-import language.postfixOps
-
 import org.junit.{Test => UnitTest}
-import org.junit.Assert.assertTrue
-import org.junit.Assert.assertFalse
 import org.junit.Assert.assertEquals
 import scala.xml.parsing.ConstructingParser
-import java.io.StringWriter
-import java.io.ByteArrayOutputStream
-import java.io.StringReader
-import scala.collection.Iterable
-import scala.collection.Seq
-import scala.xml.Utility.sort
 
 class XMLTestJVM2x {
   @UnitTest

Diff for: shared/src/test/scala-2.x/scala/xml/ShouldCompile.scala

@@ -3,9 +3,6 @@ package scala.xml
 // these tests depend on xml, so they ended up here,
 // though really they are compiler tests
 
-import scala.collection._
-import scala.collection.mutable.ArrayBuffer
-
 // t1626
 object o {
   val n = <a xmlns=""/>

Diff for: shared/src/test/scala-2.x/scala/xml/XMLTest2x.scala

@@ -4,15 +4,7 @@ import language.postfixOps
 
 import org.junit.{Test => UnitTest}
 import org.junit.Assert.assertTrue
-import org.junit.Assert.assertFalse
 import org.junit.Assert.assertEquals
-import scala.xml.parsing.ConstructingParser
-import java.io.StringWriter
-import java.io.ByteArrayOutputStream
-import java.io.StringReader
-import scala.collection.Iterable
-import scala.collection.Seq
-import scala.xml.Utility.sort
 
 class XMLTest2x {
   // t-486

Diff for: shared/src/test/scala/scala/xml/XMLTest.scala

@@ -538,7 +538,8 @@ Ours is the portal of hope, come as you are."
 
   @UnitTest
   def i1976: Unit = {
-     val node = <node>{ "whatever " }</node>
+    val node = <node>{ "whatever " }</node>
+    assertEquals("whatever", node.child.text)
   }
 
   @UnitTest