Add information on how to run the test suite

(#33).

Author: anthony-tuininga

test/README.md

@@ -10,6 +10,16 @@ change the names of the users or the name of the edition you can edit the file
 sql/TestEnv.sql. You will also need to edit the file TestEnv.py or set
 environment variables as documented in TestEnv.py.
 
+The test suite can be run without having cx_Oracle installed by issuing the
+following command in the main directory:
+
+    python setup.py test
+
+If cx_Oracle is already installed, you can also run it by issuing the following
+command in this directory:
+
+    python test.py
+
 After running the test suite, the schemas and SQL objects can be dropped by
 running the SQL script sql/DropTest.sql. The syntax is