Adding system key timestamp to system properties.
diff --git a/src/main/java/io/mifos/core/test/env/TestEnvironment.java b/src/main/java/io/mifos/core/test/env/TestEnvironment.java
index de00558..284f3ee 100644
--- a/src/main/java/io/mifos/core/test/env/TestEnvironment.java
+++ b/src/main/java/io/mifos/core/test/env/TestEnvironment.java
@@ -154,12 +154,14 @@
   {
     this.keyPairHolder = new RsaKeyPairFactory.KeyPairHolder(timestamp, publicKey, privateKey);
 
+    this.properties.setProperty(SYSTEM_PUBLIC_KEY_TIMESTAMP_PROPERTY, getSystemKeyTimestamp());
     this.properties.setProperty(SYSTEM_PUBLIC_KEY_MODULUS_PROPERTY, publicKey.getModulus().toString());
     this.properties.setProperty(SYSTEM_PUBLIC_KEY_EXPONENT_PROPERTY, publicKey.getPublicExponent().toString());
   }
 
   public void addSystemPrivateKeyToProperties()
   {
+    setProperty(SYSTEM_PUBLIC_KEY_TIMESTAMP_PROPERTY, getSystemKeyTimestamp());
     setProperty(SYSTEM_PRIVATE_KEY_MODULUS_PROPERTY, getSystemPrivateKey().getModulus().toString());
     setProperty(SYSTEM_PRIVATE_KEY_EXPONENT_PROPERTY, getSystemPrivateKey().getPrivateExponent().toString());
   }