[Gradle, JS] Test: Add yarn resolution by version shortcut

^KT-42420 fixed

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kotlin2JsGradlePluginIT.kt

@@ -763,17 +763,6 @@ abstract class AbstractKotlin2JsGradlePluginIT(private val irBackend: Boolean) :
         setupWorkingDir()
         gradleBuildScript().modify(::transformBuildScriptWithPluginsDsl)
 
-        fun assertYarnResolutions(
-            packageJson: PackageJson
-        ) {
-            val name = "lodash"
-            val version = packageJson.resolutions?.get(name)
-            val requiredVersion = ">=1.0.0 <1.2.1 || >1.4.0 <2.0.0"
-            assertTrue("Root package.json must have resolution $name with version $requiredVersion, but $version found") {
-                version == requiredVersion
-            }
-        }
-
         build("packageJson", "rootPackageJson", "kotlinNpmInstall") {
             assertSuccessful()
 
@@ -784,7 +773,19 @@ abstract class AbstractKotlin2JsGradlePluginIT(private val irBackend: Boolean) :
                         Gson().fromJson(it.readText(), PackageJson::class.java)
                     }
 
-            assertYarnResolutions(getPackageJson())
+            val name = "lodash"
+            val version = getPackageJson().resolutions?.get(name)
+            val requiredVersion = ">=1.0.0 <1.2.1 || >1.4.0 <2.0.0"
+            assertTrue("Root package.json must have resolution $name with version $requiredVersion, but $version found") {
+                version == requiredVersion
+            }
+
+            val react = "react"
+            val reactVersion = getPackageJson().resolutions?.get(react)
+            val requiredReactVersion = "16.0.0"
+            assertTrue("Root package.json must have resolution $react with version $requiredReactVersion, but $reactVersion found") {
+                reactVersion == requiredReactVersion
+            }
         }
     }
 }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin-js-yarn-resolutions/build.gradle.kts

@@ -16,6 +16,7 @@ rootProject.plugins.withType(org.jetbrains.kotlin.gradle.targets.js.yarn.YarnPlu
             include("^1.0.0")
             exclude("~1.2.1", "1.3.0 - 1.4.0")
         }
+        resolution("react", "16.0.0")
     }
 }