Specify legacy JS backend explicitly in atomicfu-gradle-plugin tests (Kotlin/JS Legacy compiler backend was deprecated in Kotlin 1.8.0)

Author: mvicsokolova

atomicfu-gradle-plugin/src/test/kotlin/kotlinx/atomicfu/plugin/gradle/test/JsProjectTest.kt

@@ -19,6 +19,9 @@ class JsLegacyTransformationTest : BaseKotlinGradleTest("js-simple") {
         settingsGradleKts {
             resolve("projects/js-simple/settings.gradle.kts")
         }
+        gradleProperties {
+            resolve("projects/mpp-simple/gradle.properties_js_legacy")
+        }
         dir("src/main/kotlin") {}
         kotlin("IntArithmetic.kt", "main") {
             resolve("projects/js-simple/src/main/kotlin/IntArithmetic.kt")

atomicfu-gradle-plugin/src/test/kotlin/kotlinx/atomicfu/plugin/gradle/test/MppProjectTest.kt

@@ -19,6 +19,9 @@ class MppLegacyTransformationTest : BaseKotlinGradleTest("mpp-simple") {
         settingsGradleKts {
             resolve("projects/mpp-simple/settings.gradle.kts")
         }
+        gradleProperties {
+            resolve("projects/mpp-simple/gradle.properties_js_legacy")
+        }
         dir("src/commonMain/kotlin") {}
         kotlin("IntArithmetic.kt", "commonMain") {
             resolve("projects/mpp-simple/src/commonMain/kotlin/IntArithmetic.kt")

atomicfu-gradle-plugin/src/test/resources/projects/js-simple/gradle.properties_js_legacy

@@ -0,0 +1 @@
+kotlin.js.compiler=legacy

atomicfu-gradle-plugin/src/test/resources/projects/mpp-simple/gradle.properties_js_legacy

@@ -0,0 +1 @@
+kotlin.js.compiler=legacy

atomicfu-gradle-plugin/src/test/resources/projects/mpp-simple/gradle.properties_jvm

@@ -1 +1,2 @@
 kotlinx.atomicfu.enableJvmIrTransformation=true
+kotlin.js.compiler=ir