diff --git a/.idea/modules.xml b/.idea/modules.xml
index 7356e4aa..7159c7e8 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -12,6 +12,7 @@
       <module fileurl="file://$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/sandbox/jetbrains.mps.lang.typesystem2.samplechecker.runner/samplechecker.runner.iml" filepath="$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/sandbox/jetbrains.mps.lang.typesystem2.samplechecker.runner/samplechecker.runner.iml" />
       <module fileurl="file://$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/runtime/typesystem2.runtime.iml" filepath="$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/runtime/typesystem2.runtime.iml" />
       <module fileurl="file://$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/sandbox/jetbrains.mps.lang.typesystem.sample/typesystem2.sandbox.sample.iml" filepath="$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/sandbox/jetbrains.mps.lang.typesystem.sample/typesystem2.sandbox.sample.iml" />
+      <module fileurl="file://$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/test/jetbrains.mps.lang.typesystem2.test/typesystem2.test.iml" filepath="$PROJECT_DIR$/languages/jetbrains.mps.lang.typesystem2/test/jetbrains.mps.lang.typesystem2.test/typesystem2.test.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/languages/jetbrains.mps.lang.typesystem2/test/jetbrains.mps.lang.typesystem2.test/typesystem2.test.iml b/languages/jetbrains.mps.lang.typesystem2/test/jetbrains.mps.lang.typesystem2.test/typesystem2.test.iml
new file mode 100644
index 00000000..0ed58d38
--- /dev/null
+++ b/languages/jetbrains.mps.lang.typesystem2/test/jetbrains.mps.lang.typesystem2.test/typesystem2.test.iml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/source_gen" isTestSource="true" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/junit.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module" module-name="Atom" scope="TEST" />
+    <orderEntry type="module" module-name="typesystem2.runtime" scope="TEST" />
+  </component>
+</module>
\ No newline at end of file