[Gradle] Fix Gradle Native IT on x86 macos

This includes a workaround for a cocoapods bug which was triggered by deprecation
of AFNetworking and a fix of asserting on OS-specific command invocation.

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

@@ -948,7 +948,7 @@ class CocoaPodsIT : BaseGradleIT() {
                 val framework = fileInWorkingDir("build/bin/iOS/podDebugFramework/cocoapods.framework/cocoapods")
                 with(runProcess(listOf("file", framework.absolutePath), projectDir, environmentVariables = getEnvs())) {
                     assertTrue(isSuccessful)
-                    assertTrue(output.contains("current ar archive random library"))
+                    kotlin.test.assertContains(output, "current ar archive")
                 }
             }
 
@@ -1264,6 +1264,8 @@ class CocoaPodsIT : BaseGradleIT() {
         val subprojectPodInstallTask = ":$subProjectName$podInstallTaskName"
         with(project) {
             preparePodfile("ios-app", ImportMode.FRAMEWORKS)
+            gradleBuildScript(subProjectName).appendToCocoapodsBlock("ios.deploymentTarget = \"14.0\"")
+
             build(subprojectPodImportTask, "-Pkotlin.native.cocoapods.generate.wrapper=true") {
                 assertTasksExecuted(listOf(subprojectPodspecTask, subprojectPodInstallTask))
             }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/native-cocoapods-single/ios-app/Podfile

@@ -1,6 +1,6 @@
 <import_mode_directive>
 
-platform :ios, '9.0'
+platform :ios, '14.0'
 
 target 'ios-app' do
     pod 'pod_dependency', :path => '../pod_dependency'