Move tests to right directory

Author: odersky

tests/disabled/not-representable/t3999b.scala renamed to tests/disabled/not-representable/pos/t3999b.scala

@@ -1,3 +1,4 @@
+// Uses structural types; therefore not expressible in dotty
 import scala.annotation.StaticAnnotation
 
 class ann(val bar: Any) extends StaticAnnotation

tests/run/t5544/Api_1.scala renamed to tests/disabled/not-representable/pos/t5544/Api_1.scala

@@ -0,0 +1,7 @@
+object Compat {
+  def main(args: Array[String]): Unit = {
+    val x = new Array[Int](1)
+    x(0) = 10
+    println(JA.get(x))
+  }
+}

tests/run/t5544/Test_2.scala renamed to tests/disabled/not-representable/pos/t5544/Test_2.scala

@@ -0,0 +1,5 @@
+class JA {
+  public static <T> T get(T[] arr) {
+    return arr[0];
+  }
+}