diff --git a/pmd-test/src/main/resources/rule-tests.xsd b/pmd-test/src/main/resources/rule-tests.xsd
new file mode 100644
index 0000000000..e1a86e3f13
--- /dev/null
+++ b/pmd-test/src/main/resources/rule-tests.xsd
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<schema
+    xmlns="http://www.w3.org/2001/XMLSchema"
+    targetNamespace="http://pmd.sourceforge.net/rule-tests"
+    xmlns:tns="http://pmd.sourceforge.net/rule-tests"
+    elementFormDefault="qualified">
+
+    <element name="test-data">
+        <complexType>
+            <sequence>
+                <element name="test-code" minOccurs="1" maxOccurs="unbounded">
+                    <complexType>
+                        <sequence>
+                            <element name="description" type="string"></element>
+                            <element name="rule-property" minOccurs="0" maxOccurs="unbounded">
+                                <complexType>
+                                    <simpleContent>
+                                        <extension base="string">
+                                            <attribute name="name"></attribute>
+                                        </extension>
+                                    </simpleContent>
+                                </complexType>
+                            </element>
+                            <element name="expected-problems" type="integer"></element>
+                            <element name="expected-linenumber" type="string" minOccurs="0"></element>
+                            <element name="expected-messages" minOccurs="0">
+                                <complexType>
+                                    <sequence>
+                                        <element name="message" type="string" maxOccurs="unbounded"></element>
+                                    </sequence>
+                                </complexType>
+                            </element>
+                            <choice>
+                                <element name="code"></element>
+                                <element name="code-ref">
+                                    <complexType>
+                                        <attribute name="id"></attribute>
+                                    </complexType>
+                                </element>
+                            </choice>
+                            <element name="source-type" minOccurs="0" default="java">
+                                <simpleType>
+                                    <restriction base="string">
+                                        <enumeration value="apex"></enumeration>
+                                        <enumeration value="ecmascript"></enumeration>
+                                        <enumeration value="java"></enumeration>
+                                        <enumeration value="jsp"></enumeration>
+                                        <enumeration value="plsql"></enumeration>
+                                        <enumeration value="pom"></enumeration>
+                                        <enumeration value="vf"></enumeration>
+                                        <enumeration value="vm"></enumeration>
+                                        <enumeration value="wsdl"></enumeration>
+                                        <enumeration value="xml"></enumeration>
+                                        <enumeration value="xsl"></enumeration>
+                                    </restriction>
+                                </simpleType>
+                            </element>
+                        </sequence>
+                        <attribute name="reinitializeRule" type="boolean" default="true"></attribute>
+                        <attribute name="regressionTest" type="boolean" default="true"></attribute>
+                        <attribute name="useAuxClasspath" type="boolean" default="true"></attribute>
+                    </complexType>
+                </element>
+                <element name="code-fragment" minOccurs="0" maxOccurs="unbounded" type="string"></element>
+            </sequence>
+        </complexType>
+    </element>
+</schema>
\ No newline at end of file