Refine the blacklist of tests.

Author: sjrd

project/Build.scala

@@ -1019,8 +1019,7 @@ object Build {
         val dir = fetchScalaJSSource.value / "test-suite/js/src/main/scala"
         val filter = (
           ("*.scala": FileFilter)
-            -- "Typechecking*.scala"
-            -- "NonNativeTypeTestSeparateRun.scala"
+            -- "Typechecking*.scala" // defines a Scala 2 macro
         )
         (dir ** filter).get
       },
@@ -1051,7 +1050,7 @@ object Build {
             -- "DynamicTest.scala" // one test requires JS exports, all other tests pass
             -- "ExportsTest.scala" // JS exports
             -- "JSExportStaticTest.scala" // JS exports
-            -- "NonNativeJSTypeTest.scala" // compiler crash (non-native JS classes)
+            -- "NonNativeJSTypeTest.scala" // 3 tests fail (2 because of anonymous JS class no-own-prototype; 1 because of a progression for value class fields)
             )).get
 
           ++ (dir / "js/src/test/scala/org/scalajs/testsuite/junit" ** (("*.scala": FileFilter)
@@ -1065,7 +1064,7 @@ object Build {
           ++ (dir / "js/src/test/scala/org/scalajs/testsuite/library" ** (("*.scala": FileFilter)
             -- "ObjectTest.scala" // compile errors caused by #9588
             -- "StackTraceTest.scala" // would require `npm install source-map-support`
-            -- "UnionTypeTest.scala" // requires a Scala 2 macro
+            -- "UnionTypeTest.scala" // requires the Scala 2 macro defined in Typechecking*.scala
             )).get
 
           ++ (dir / "js/src/test/scala/org/scalajs/testsuite/niobuffer" ** "*.scala").get