Correct some leaks in unit tests.

* chan_sip: channel in test_sip_rtpqos_1.
* test_config: config hook, config info and global config holder.
* test_core_format: format in format_attribute_set_without_interface.
* test_stream: unneeded frame duplication.
* test_taskprocessor: task_data.

Change-Id: I94d364d195cf3b3b5de2bf3ad565343275c7ad31

channels/sip/dialplan_functions.c

@@ -486,6 +486,9 @@ done:
 		dialog_unlink_all(p);
 		dialog_unref(p, "Destroy test object");
 	}
+	if (chan) {
+		ast_channel_unref(chan);
+	}
 	ast_rtp_engine_unregister(&test_engine);
 	return res;
 }

tests/test_config.c

@@ -1040,6 +1040,7 @@ AST_TEST_DEFINE(config_hook)
 	res = AST_TEST_PASS;
 
 out:
+	ast_config_hook_unregister("test_hook");
 	delete_config_file();
 	return res;
 }
@@ -1677,6 +1678,8 @@ AST_TEST_DEFINE(config_options_test)
 	configs.codeccapopt = NULL;
 	ast_string_field_free_memory(&defaults);
 	ast_string_field_free_memory(&configs);
+	aco_info_destroy(&cfg_info);
+	ao2_global_obj_release(global_obj);
 	return res;
 }
 

tests/test_core_format.c

@@ -860,6 +860,7 @@ AST_TEST_DEFINE(format_attribute_set_without_interface)
 {
 	RAII_VAR(struct ast_codec *, codec, NULL, ao2_cleanup);
 	RAII_VAR(struct ast_format *, format, NULL, ao2_cleanup);
+	struct ast_format *attr_set;
 
 	switch (cmd) {
 	case TEST_INIT:
@@ -885,10 +886,12 @@ AST_TEST_DEFINE(format_attribute_set_without_interface)
 		return AST_TEST_FAIL;
 	}
 
-	if (!ast_format_attribute_set(format, "bees", "cool")) {
+	attr_set = ast_format_attribute_set(format, "bees", "cool");
+	if (!attr_set) {
 		ast_test_status_update(test, "Successfully set an attribute on a format without an interface\n");
 		return AST_TEST_FAIL;
 	}
+	ao2_cleanup(attr_set);
 
 	return AST_TEST_PASS;
 }

tests/test_taskprocessor.c

@@ -677,7 +677,7 @@ AST_TEST_DEFINE(taskprocessor_push_local)
 {
 	RAII_VAR(struct ast_taskprocessor *, tps, NULL,
 		ast_taskprocessor_unreference);
-	struct task_data *task_data;
+	RAII_VAR(struct task_data *, task_data, NULL, ao2_cleanup);
 	int local_data;
 	int res;