Add minimized test

tests/init/pos/scalatest.scala

@@ -0,0 +1,17 @@
+class TestSuite:
+  protected val it = new ItWord
+
+  protected final class ItWord:
+    def should(string: String) = new ItVerbString("should", string)
+
+  private def registerTestToRun(fun: => Any): Unit = ()
+
+  protected final class ItVerbString(verb: String, name: String):
+    inline def in(testFun: => Any): Unit = registerTestToRun(testFun)
+
+class MyTest extends TestSuite:
+  it should "not cause outer select errors" in {
+    assert(1 + 1 == 2)
+  }
+
+  val n = 10