You can autowire the "Environment" to your fixture and get your os and enviroment level properties from it. For example, if you have a Context (or Fixture), naming "Login", you can do like below to get environmental properties like os.arch, os.name etc:

public class Login {   
    @Autowired
    org.springframework.core.env.Environment env;
    
    public void setUp() throws Exception {
         System.out.println(env.getProperty("os.arch"));
     }

    public void tearDown() throws Exception {
    }

}

If you are looking to get the properties declared in twist.properties, then you have to do a little bit more. Following is an approach where we have a custom PropertyPlaceholderConfigurer which binds the properties at the context xml level, as well provide a way to read the same properties when it is referred elsewhere.

** Declare your Custom property placeholder first like the class below (e.g. com.test.CustomPropertyPlaceHolderConfigurer)

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package com.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;

public class CustomPropertyPlaceHolderConfigurer extends
        PropertyPlaceholderConfigurer {

    private int sysPropMode;
    private Map<String, String> propertiesMap;

    @Override
    public void setSystemPropertiesMode(int systemPropertiesMode) {
        super.setSystemPropertiesMode(systemPropertiesMode);
        this.sysPropMode = systemPropertiesMode;
    }
    
    @Override
    protected void processProperties(
            ConfigurableListableBeanFactory beanFactoryToProcess,
            Properties props) throws BeansException {
        super.processProperties(beanFactoryToProcess, props);
        propertiesMap = new HashMap<String, String>();
        for (Object key : props.keySet()) {
            String keyStr = key.toString();
            String valueStr = resolvePlaceholder(keyStr, props, sysPropMode);
            propertiesMap.put(keyStr, valueStr);
        }
    }
    
    public String getPropertyValue(String name) {
        return propertiesMap.get(name);
    }
    
    public List<String> getPropertyNames() {
        ArrayList<String> propertyNames = new ArrayList<String>();
        for (Object key : propertiesMap.keySet()) {
            propertyNames.add(key.toString());
        }
        return propertyNames;
    }
}

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** change the applicationContext-suite.xml file to refer to your custom property placeholder like below (note, only thing that i have changed is the classname)

<bean class="com.test.CustomPropertyPlaceHolderConfigurer">
    <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/>
    <property name="locations">
      <value>classpath:twist.properties</value>
    </property>
</bean>

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** now you can autowire the custom placeholder to your context or fixture. e.g. in your Login class

public class Login {   
    @Autowired
   com.test.CustomPropertyPlaceHolderConfigurer propertyConfigurer;
    
    public void setUp() throws Exception {

        System.out.println(propertyConfigurer.getPropertyValue("twist.generate_local_report"));
         for (String property : propertyConfigurer.getPropertyNames()) {
            System.out.println(String.format("Property %s=%s", property, propertyConfigurer.getPropertyValue(property)));
        }
     }

    public void tearDown() throws Exception {
    }

}

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Hope this works for you.

regards