Fix tests after stabilizing lazy vals

Author: szymon-rd

compiler/test/dotc/run-lazy-vals-tests.allowlist

@@ -38,7 +38,6 @@ null-lazy-val.scala
 patmatch-classtag.scala
 priorityQueue.scala
 serialization-new-legacy.scala
-serialization-new.scala
 singletons.scala
 statics.scala
 stream_flatmap_odds.scala

compiler/test/dotty/tools/backend/jvm/DottyBytecodeTests.scala

@@ -597,7 +597,7 @@ class DottyBytecodeTests extends DottyBytecodeTest {
       val clsIn   = dir.lookupName("Test.class", directory = false).input
       val clsNode = loadClassNode(clsIn)
       val method  = getMethod(clsNode, "test")
-      assertEquals(88, instructionsFromMethod(method).size)
+      assertEquals(23, instructionsFromMethod(method).size)
     }
   }
 

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -211,7 +211,7 @@ class CompilationTests {
       compileDir("tests/run-custom-args/Xmacro-settings/compileTimeEnv", defaultOptions.and("-Xmacro-settings:a,b=1,c.b.a=x.y.z=1,myLogger.level=INFO")),
       compileFilesInDir("tests/run-custom-args/captures", allowDeepSubtypes.and("-language:experimental.captureChecking")),
       compileFilesInDir("tests/run-deep-subtype", allowDeepSubtypes),
-      compileFilesInDir("tests/run", defaultOptions.and("-Ysafe-init"), FileFilter.exclude("serialization-new.scala")),
+      compileFilesInDir("tests/run", defaultOptions.and("-Ysafe-init")),
       // Run tests for legacy lazy vals.
       compileFilesInDir("tests/run", defaultOptions.and("-Ysafe-init", "-Ylegacy-lazy-vals", "-Ycheck-constraint-deps"), FileFilter.include(TestSources.runLazyValsAllowlist)),
     ).checkRuns()