Get rid of deprecated annotations and modifiers in stdlib (besides JS)

libraries/stdlib/test/language/BitwiseOperationsTest.kt

@@ -4,31 +4,31 @@ import kotlin.test.*
 import org.junit.Test as test
 
 class BitwiseOperationsTest {
-    test fun orForInt() {
+    @test fun orForInt() {
         assertEquals(3, 2 or 1)
     }
 
-    test fun andForInt() {
+    @test fun andForInt() {
         assertEquals(0, 1 and 0)
     }
 
-    test fun xorForInt() {
+    @test fun xorForInt() {
         assertEquals(1, 2 xor 3)
     }
 
-    test fun shlForInt() {
+    @test fun shlForInt() {
         assertEquals(4, 1 shl 2)
     }
 
-    test fun shrForInt() {
+    @test fun shrForInt() {
         assertEquals(1, 2 shr 1)
     }
 
-    test fun ushrForInt() {
+    @test fun ushrForInt() {
         assertEquals(2147483647, -1 ushr 1)
     }
 
-    test fun invForInt() {
+    @test fun invForInt() {
         assertEquals(0, (-1).inv())
     }
 }