[BTA tests] Rename the compatibility tests annotation

^KT-61860 In Progress

compiler/build-tools/kotlin-build-tools-api-tests/build.gradle.kts

@@ -129,7 +129,7 @@ testing {
                         ensureExecutedAgainstExpectedBuildToolsImplVersion(suitConfig.implVersion)
                         useJUnitPlatform {
                             if (suitConfig.onlyCompatibilityTests) {
-                                includeTags("CompatibilityTest")
+                                includeTags("CompatibilityTests")
                             }
                         }
                         systemProperty("kotlin.build-tools-api.log.level", "DEBUG")

compiler/build-tools/kotlin-build-tools-api-tests/src/testCommon/kotlin/CompatibilityTests.kt

@@ -10,4 +10,4 @@ import org.junit.jupiter.api.Tag
 @Target(AnnotationTarget.CLASS, AnnotationTarget.ANNOTATION_CLASS, AnnotationTarget.FUNCTION)
 @Retention(AnnotationRetention.RUNTIME)
 @Tag("CompatibilityTest")
-annotation class CompatibilityTest
+annotation class CompatibilityTests