Added a test reproducing the issue from #234 (p. 1 & 2)

Author: fzhinkin

src/functionalTest/kotlin/kotlinx/validation/test/KlibVerificationTests.kt

@@ -752,4 +752,26 @@ internal class KlibVerificationTests : BaseKotlinGradleTest() {
             assertTaskFailure(":klibApiCheck")
         }
     }
+
+    @Test
+    fun `apiCheck should fail after target removal`() {
+        val runner = test {
+            settingsGradleKts {
+                resolve("/examples/gradle/settings/settings-name-testproject.gradle.kts")
+            }
+            // only a single native target is defined there
+            buildGradleKts {
+                resolve("/examples/gradle/base/withNativePluginAndSingleTarget.gradle.kts")
+            }
+            addToSrcSet("/examples/classes/AnotherBuildConfig.kt")
+            // dump was created for multiple native targets
+            abiFile(projectName = "testproject") {
+                resolve("/examples/classes/AnotherBuildConfig.klib.dump")
+            }
+            runApiCheck()
+        }
+        runner.buildAndFail().apply {
+            assertTaskFailure(":klibApiCheck")
+        }
+    }
 }