Execute gutters calculation in read action in tests

idea/idea-gradle/tests/org/jetbrains/kotlin/gradle/MultiplatformProjectImportingTest.kt

@@ -31,6 +31,7 @@ import org.jetbrains.kotlin.idea.util.rootManager
 import org.jetbrains.kotlin.test.KotlinTestUtils
 import org.jetbrains.plugins.gradle.tooling.annotation.PluginTargetVersions
 import org.junit.Test
+import org.jetbrains.kotlin.idea.util.application.runReadAction
 
 class MultiplatformProjectImportingTest : MultiplePluginVersionGradleImportingTestCase() {
 
@@ -51,7 +52,9 @@ class MultiplatformProjectImportingTest : MultiplePluginVersionGradleImportingTe
     }
 
     private fun assertFileInModuleScope(file: VirtualFile, moduleName: String) {
-        assert(getModule(moduleName).getModuleWithDependenciesAndLibrariesScope(true).contains(file))
+        runReadAction {
+            assert(getModule(moduleName).getModuleWithDependenciesAndLibrariesScope(true).contains(file))
+        }
     }
 
     @Test

idea/idea-gradle/tests/org/jetbrains/kotlin/gradle/TaskUtils.kt

@@ -7,10 +7,13 @@ package org.jetbrains.kotlin.gradle
 
 import com.intellij.openapi.vfs.VirtualFile
 import org.jetbrains.kotlin.idea.codeInsight.gradle.MultiplePluginVersionGradleImportingTestCase
+import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.plugins.gradle.execution.test.runner.GradleTestRunConfigurationProducer
 
 fun MultiplePluginVersionGradleImportingTestCase.findTasksToRun(file: VirtualFile): List<String>? {
-    return GradleTestRunConfigurationProducer.findAllTestsTaskToRun(file, project)
+    return runReadAction {
-        .flatMap { it.tasks }
+        GradleTestRunConfigurationProducer.findAllTestsTaskToRun(file, project)
-        .sorted()
+            .flatMap { it.tasks }
+            .sorted()
+    }
 }