diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/coroutines.lib.kt b/idea/testData/inspectionsLocal/coroutines/redundantAsync/coroutines.lib.kt
new file mode 100644
index 00000000000..33def856c4f
--- /dev/null
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/coroutines.lib.kt
@@ -0,0 +1,44 @@
+package kotlinx.coroutines
+
+interface Deferred<T> {
+    suspend fun await(): T
+}
+
+interface CoroutineContext
+
+object DefaultDispatcher : CoroutineContext
+
+enum class CoroutineStart {
+    DEFAULT,
+    LAZY,
+    ATOMIC,
+    UNDISPATCHED
+}
+
+interface Job
+
+fun <T> async(
+    context: CoroutineContext = DefaultDispatcher,
+    start: CoroutineStart = CoroutineStart.DEFAULT,
+    parent: Job? = null,
+    f: suspend () -> T
+): Deferred<T> {
+    TODO()
+}
+
+fun <T> runBlocking(
+    context: CoroutineContext = DefaultDispatcher,
+    f: suspend () -> T
+) {
+    TODO()
+}
+
+suspend fun <T> withContext(
+    context: CoroutineContext,
+    start: CoroutineStart = CoroutineStart.DEFAULT,
+    f: suspend () -> T
+) {
+    TODO()
+}
+
+
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt
index d892a6e11de..af46fe943e7 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt
@@ -3,47 +3,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test(ctx: CoroutineContext) {
     <caret>async(ctx) { 42 }.await()
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt.after b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt.after
index 68ff62364c1..0e9a5896243 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt.after
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simple.kt.after
@@ -3,47 +3,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test(ctx: CoroutineContext) {
     withContext(ctx) { 42 }
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt
index 94329871a8f..5787f7b35e2 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt
@@ -3,47 +3,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test() {
     <caret>async { 42 }.await()
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt.after b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt.after
index 4e1cac7e48f..367bd846556 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt.after
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/simplest.kt.after
@@ -3,47 +3,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test() {
     withContext(DefaultDispatcher) { 42 }
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withParent.kt b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withParent.kt
index 07858dc80ff..69aea1dc19b 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withParent.kt
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withParent.kt
@@ -3,47 +3,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test(ctx: CoroutineContext) {
     <caret>async(parent = null) { 42 }.await()
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt
index f1dcb86f5ec..2c4eeb479b4 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt
@@ -2,47 +2,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test(ctx: CoroutineContext) {
     <caret>async(ctx, CoroutineStart.LAZY) { 42 }.await()
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt.after b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt.after
index 0296cae6f75..647cb453564 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt.after
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartAndContext.kt.after
@@ -2,47 +2,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test(ctx: CoroutineContext) {
     withContext(ctx, CoroutineStart.LAZY) { 42 }
 }
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartNoContext.kt b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartNoContext.kt
index 8ac1d641c9e..1f8510d5c6e 100644
--- a/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartNoContext.kt
+++ b/idea/testData/inspectionsLocal/coroutines/redundantAsync/withStartNoContext.kt
@@ -3,47 +3,6 @@
 
 package kotlinx.coroutines
 
-interface Deferred<T> {
-    suspend fun await(): T
-}
-
-interface CoroutineContext
-
-object DefaultDispatcher : CoroutineContext
-
-enum class CoroutineStart {
-    DEFAULT,
-    LAZY,
-    ATOMIC,
-    UNDISPATCHED
-}
-
-interface Job
-
-fun <T> async(
-    context: CoroutineContext = DefaultDispatcher,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    parent: Job? = null,
-    f: suspend () -> T
-): Deferred<T> {
-    TODO()
-}
-
-fun <T> runBlocking(
-    context: CoroutineContext = DefaultDispatcher,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
-suspend fun <T> withContext(
-    context: CoroutineContext,
-    start: CoroutineStart = CoroutineStart.DEFAULT,
-    f: suspend () -> T
-) {
-    TODO()
-}
-
 suspend fun test(ctx: CoroutineContext) {
     <caret>async(start = CoroutineStart.LAZY) { 42 }.await()
 }
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/kotlin/idea/inspections/AbstractLocalInspectionTest.kt b/idea/tests/org/jetbrains/kotlin/idea/inspections/AbstractLocalInspectionTest.kt
index 60d129349b8..c532ee0d5a6 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/inspections/AbstractLocalInspectionTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/inspections/AbstractLocalInspectionTest.kt
@@ -114,6 +114,14 @@ abstract class AbstractLocalInspectionTest : KotlinLightCodeInsightFixtureTestCa
                 }
                 break
             }
+            val parentFile = mainFile.parentFile
+            if (parentFile != null) {
+                for (file in parentFile.walkTopDown().maxDepth(1)) {
+                    if (file.name.endsWith(".lib.kt")) {
+                        extraFileNames += file.name
+                    }
+                }
+            }
 
             myFixture.configureByFiles(*(listOf(mainFile.name) + extraFileNames).toTypedArray()).first()