[Test] Support some jvm codegen specific configuration directives

compiler/testData/codegen/box/assert/alwaysDisable.kt

@@ -4,7 +4,7 @@
 // IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JS_IR_ES6
 // IGNORE_BACKEND: JS
-// KOTLIN_CONFIGURATION_FLAGS: ASSERTIONS_MODE=always-disable
+// ASSERTIONS_MODE: always-disable
 // WITH_RUNTIME
 
 fun checkTrue(): Boolean {
@@ -42,4 +42,4 @@ fun box(): String {
     if (checkFalseWithMessage()) return "FAIL 3"
 
     return "OK"
-}
+}