Fix for test cases

Needed to pass multiversal equality rules.

Author: odersky

tests/pos/Meter.scala

@@ -69,7 +69,7 @@ object Test extends App {
 
 
   println("x.hashCode: " + x.hashCode)
-  println("x == 1: " +(x == 1))
+  println("x == 1: " +((x: Any) == 1))
   println("x == y: " +(x == y))
   assert(x.hashCode == (1.0).hashCode)
 

tests/pos/i1665.scala

@@ -2,6 +2,6 @@
 object Test {
   !=(1)
   !=("abc")
-  1 != this
+  1 != (this: Any)
   !=(this)
 }

tests/run/tryPatternMatch.scala

@@ -112,7 +112,7 @@ object Test extends TestTrait {
         case _: ExceptionTrait                       => println("ExceptionTrait")
         case e: IOException if e.getMessage == null  => println("IOException")
         case _: NullPointerException | _:IOException => println("NullPointerException | IOException")
-        case `a`                                     => println("`a`")
+//        case `a`                                     => println("`a`")
         case EX                                      => println("EX")
         case e: IllegalArgumentException             => println("IllegalArgumentException")
         case _: ClassCastException                   => println("ClassCastException")