[WASM] Fix Kotlin.Test box tests

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt

@@ -1951,7 +1951,7 @@ class NewMultiplatformIT : BaseGradleIT() {
             assertFileExists(jsOutput + "redefined-js-module-name.js")
 
             val wasmOutput = outputPrefix + "redefined-wasm-module-name/kotlin/"
-            assertFileExists(wasmOutput + "redefined-wasm-module-name.js")
+            assertFileExists(wasmOutput + "redefined-wasm-module-name.mjs")
             assertFileExists(wasmOutput + "redefined-wasm-module-name.wasm")
         }
     }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-mpp-wasm-js/build.gradle.kts

@@ -10,7 +10,7 @@ repositories {
 kotlin {
     wasm {
         moduleName = "redefined-wasm-module-name"
-        browser {
+        d8 {
         }
         binaries.executable()
     }