[Gradle, JS] Add test for KT-51801

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

@@ -302,6 +302,30 @@ class Kotlin2JsGradlePluginIT : AbstractKotlin2JsGradlePluginIT(false) {
         }
     }
 
+    @DisplayName("incremental compilation with multiple js modules after compilation error works")
+    @GradleTest
+    fun testIncrementalCompilationWithMultipleModulesAfterCompilationError(gradleVersion: GradleVersion) {
+        project("kotlin-js-ir-ic-multiple-artifacts", gradleVersion) {
+            buildGradleKts.modify(::transformBuildScriptWithPluginsDsl)
+
+            build("compileKotlinJs")
+
+            val libKt = subProject("lib").kotlinSourcesDir().resolve("Lib.kt") ?: error("No Lib.kt file in test project")
+            val appKt = subProject("app").kotlinSourcesDir().resolve("App.kt") ?: error("No App.kt file in test project")
+
+            libKt.modify { it.replace("fun answer", "func answe") } // introduce compilation error
+            buildAndFail("compileKotlinJs")
+            libKt.modify { it.replace("func answe", "fun answer") } // revert compilation error
+            appKt.modify { it.replace("Sheldon:", "Sheldon :") } // some change for incremental compilation
+            build("compileKotlinJs", buildOptions = defaultBuildOptions.copy(logLevel = LogLevel.DEBUG)) {
+                assertOutputContains(USING_JS_INCREMENTAL_COMPILATION_MESSAGE)
+                assertTasksUpToDate(":lib:compileKotlinJs")
+                assertTasksExecuted(":app:compileKotlinJs")
+                assertCompiledKotlinSources(listOf(appKt).relativizeTo(projectPath), output)
+            }
+        }
+    }
+
     @DisplayName("builtins are loaded")
     @GradleTest
     fun testKotlinJsBuiltins(gradleVersion: GradleVersion) {