[Test] Exclude K2 MPP codegen box tests from K1 generated suites

Those tests always were muted for K1 because of incompatible module
  structure in testdata, so there is no actual sense to even generate
  them for K1

wasm/wasm.tests/test/org/jetbrains/kotlin/generators/tests/GenerateWasmTests.kt

@@ -17,9 +17,9 @@ fun main(args: Array<String>) {
     System.setProperty("java.awt.headless", "true")
 
     // Common configuration shared between K1 and K2 tests:
-    val jvmOnlyBoxTests = listOf(
-        "compileKotlinAgainstKotlin",
-    )
+    val jvmOnlyBoxTests = listOf("compileKotlinAgainstKotlin")
+    val k2BoxTestDir = "multiplatform/k2"
+
     val jsTranslatorTestPattern = "^([^_](.+))\\.kt$"
     val jsTranslatorReflectionPattern = "^(findAssociatedObject(InSeparatedFile)?)\\.kt$"
     val jsTranslatorEsModulesExcludedDirs = listOf(
@@ -90,7 +90,7 @@ fun main(args: Array<String>) {
 
         testGroup("wasm/wasm.tests/tests-gen", "compiler/testData", testRunnerMethodName = "runTest0") {
             testClass<AbstractK1WasmCodegenBoxTest> {
-                model("codegen/box", pattern = jsTranslatorTestPattern, excludeDirs = jvmOnlyBoxTests)
+                model("codegen/box", pattern = jsTranslatorTestPattern, excludeDirs = jvmOnlyBoxTests + k2BoxTestDir)
             }
 
             testClass<AbstractK1WasmCodegenBoxInlineTest> {
@@ -110,4 +110,4 @@ fun main(args: Array<String>) {
             }
         }
     }
-}
+}