[Build] Use language version 2.2 to build Kotlin

^KT-74254 Fixed

Author: bnorm

gradle.properties

@@ -31,7 +31,7 @@ defaultSnapshotVersion=2.2.255-SNAPSHOT
 # * Kotlin stdlib buildscripts
 # * compiler-hosted/integration-tests/build.gradle.kts
 # * `configureKotlinCompileTasksGradleCompatibility()` calls
-kotlinLanguageVersion=2.1
+kotlinLanguageVersion=2.2
 
 # Should be less or equal to the Kotlin stdlib version used inside IntelliJ IDEA repository, see KT-62510.
 # IntelliJ IDEA Kotlin stdlib version can be found at https://github.com/JetBrains/intellij-community/blob/master/.idea/libraries/kotlin_stdlib.xml

libraries/kotlinx-metadata/jvm/test/kotlin/metadata/test/DifferentVersionsTest.kt

@@ -7,7 +7,6 @@ package kotlin.metadata.test
 
 import kotlin.metadata.jvm.KotlinClassMetadata
 import org.jetbrains.kotlin.metadata.deserialization.MetadataVersion
-import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 import kotlin.test.assertContentEquals
 import kotlin.test.assertFailsWith
@@ -28,7 +27,6 @@ class DifferentVersionsTest {
     )
 
     @Test
-    @Disabled("Enable when KT-74254 is fixed")
     fun readsCurrentVersion() {
         assertContentEquals(MetadataVersion.INSTANCE.toArray(), metadata.metadataVersion)
         assertIs<KotlinClassMetadata.Class>(KotlinClassMetadata.readStrict(metadata))

libraries/kotlinx-metadata/jvm/test/kotlin/metadata/test/JavaUsageTest.java

@@ -10,7 +10,6 @@
 import kotlin.metadata.jvm.JvmMetadataVersion;
 import kotlin.metadata.jvm.KotlinClassHeader;
 import kotlin.metadata.jvm.KotlinClassMetadata;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -28,7 +27,6 @@ public void testKotlinClassHeader() {
     }
 
     @Test
-    @Disabled("Enable when KT-74254 is fixed")
     public void testWritingBackWithDefaults() {
         Metadata m = MetadataSmokeTest.class.getAnnotation(Metadata.class);
         KotlinClassMetadata clazz1 = ((KotlinClassMetadata) Objects.requireNonNull(KotlinClassMetadata.readStrict(m)));

libraries/kotlinx-metadata/jvm/test/kotlin/metadata/test/WritersContractTest.kt

@@ -5,7 +5,6 @@
 
 package kotlin.metadata.test
 
-import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 import kotlin.metadata.jvm.JvmMetadataVersion
 import kotlin.metadata.jvm.KotlinClassMetadata
@@ -62,7 +61,6 @@ class WritersContractTest {
     }
 
     @Test
-    @Disabled("Enable when KT-74254 is fixed")
     fun nextVersionWrite() = everyType.forEach { before ->
         val md = KotlinClassMetadata.readStrict(before)
         val ver = md.version