[ObjCExport] Add suspend function and @Throws tests

KT-66115, KT-66239

native/objcexport-header-generator/test/org/jetbrains/kotlin/backend/konan/tests/ObjCExportHeaderGeneratorTest.kt

@@ -137,7 +137,6 @@ class ObjCExportHeaderGeneratorTest(private val generator: HeaderGenerator) {
     }
 
     @Test
-    @TodoAnalysisApi
     fun `test - functionWithThrowsAnnotation`() {
         doTest(headersTestDataDir.resolve("functionWithThrowsAnnotation"))
     }
@@ -340,6 +339,21 @@ class ObjCExportHeaderGeneratorTest(private val generator: HeaderGenerator) {
         doTest(headersTestDataDir.resolve("privateGenericSuperInterface"))
     }
 
+    @Test
+    fun `test - throwable`() {
+        doTest(headersTestDataDir.resolve("throwable"))
+    }
+
+    @Test
+    fun `test - illegalStateException`() {
+        doTest(headersTestDataDir.resolve("illegalStateException"))
+    }
+
+    @Test
+    fun `test - suspend function`() {
+        doTest(headersTestDataDir.resolve("suspendFunction"))
+    }
+
     private fun doTest(root: File, configuration: Configuration = Configuration()) {
         if (!root.isDirectory) fail("Expected ${root.absolutePath} to be directory")
         val generatedHeaders = generator.generateHeaders(root, configuration).toString()