Move IC tests to compiler

Fixing IC after moving it from Gradle to the compiler in commit f40a3eff20

compiler/incremental-compilation-impl/incremental-compilation-impl.iml

@@ -4,6 +4,8 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/testData" type="java-test-resource" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
@@ -15,5 +17,6 @@
     <orderEntry type="module" module-name="frontend" />
     <orderEntry type="module" module-name="frontend.java" />
     <orderEntry type="module" module-name="util" />
+    <orderEntry type="library" name="junit-4.12" level="project" />
   </component>
 </module>