[Gradle, Test] Make utility isTeamCityRun as top-level function

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

@@ -47,8 +47,6 @@ abstract class BaseGradleIT {
     open val defaultGradleVersion: GradleVersionRequired
         get() = GradleVersionRequired.None
 
-    val isTeamCityRun = System.getenv("TEAMCITY_VERSION") != null
-
     @Before
     open fun setUp() {
         // Aapt2 from Android Gradle Plugin 3.2 and below does not handle long paths on Windows.

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

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.gradle.testbase
 
 import com.intellij.testFramework.TestDataPath
+import org.jetbrains.kotlin.gradle.util.isTeamCityRun
 import org.jetbrains.kotlin.test.WithMuteInDatabase
 import org.junit.jupiter.api.AfterAll
 import org.junit.jupiter.api.Tag
@@ -42,7 +43,7 @@ abstract class KGPBaseTest {
 
     @AfterAll
     fun checkThatDefaultKonanHasNotBeenCreated() {
-        if (System.getenv("TEAMCITY_VERSION") != null) {
+        if (isTeamCityRun) {
             val userHomeDir = System.getProperty("user.home")
             assertDirectoryDoesNotExist(Paths.get("$userHomeDir/.konan"))
         }

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

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.gradle.testbase
 
 import org.gradle.testkit.runner.BuildResult
+import org.jetbrains.kotlin.gradle.util.isTeamCityRun
 import org.jetbrains.kotlin.test.testFramework.KtUsefulTestCase
 import org.jetbrains.kotlin.test.util.convertLineSeparators
 import org.jetbrains.kotlin.test.util.trimTrailingWhitespacesAndAddNewlineAtEOF
@@ -38,7 +39,7 @@ internal fun assertEqualsToFile(expectedFile: File, actualText: String) {
     val textSanitized: String = actualText.trim().convertLineSeparators().trimTrailingWhitespacesAndAddNewlineAtEOF()
 
     if (!expectedFile.exists()) {
-        if (KtUsefulTestCase.IS_UNDER_TEAMCITY) {
+        if (isTeamCityRun) {
             fail("Expected data file $expectedFile did not exist")
         } else {
             expectedFile.writeText(textSanitized)

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

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.gradle.testbase
 
+import org.jetbrains.kotlin.gradle.util.isTeamCityRun
 import org.junit.jupiter.api.condition.OS
 import org.junit.jupiter.api.extension.ConditionEvaluationResult
 import org.junit.jupiter.api.extension.ExecutionCondition
@@ -42,7 +43,7 @@ internal class ExecutionOnOsCondition : ExecutionCondition {
 
     private val logger = LoggerFactory.getLogger(ExecutionOnOsCondition::class.java)
 
-    private val isUnderTeamcity = System.getenv("TEAMCITY_VERSION") != null
+    private val isUnderTeamcity = isTeamCityRun
 
     private val enabledOnCurrentOs = "Enabled on operating system: ${System.getProperty("os.name")}"
     private val notSupportedOnCurrentOs = "Test is not supported on operating system: ${System.getProperty("os.name")}"

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

@@ -0,0 +1,8 @@
+/*
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.util
+
+val isTeamCityRun = System.getenv("TEAMCITY_VERSION") != null