Fix NPE
diff --git a/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/BaseKotlinJpsBuildTestCase.kt b/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/BaseKotlinJpsBuildTestCase.kt
index b13e7c7..a07e0ab2 100644
--- a/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/BaseKotlinJpsBuildTestCase.kt
+++ b/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/BaseKotlinJpsBuildTestCase.kt
@@ -33,10 +33,10 @@
     @Throws(Exception::class)
     override fun tearDown() {
         System.clearProperty("kotlin.jps.tests")
-        super.tearDown()
         myModel = null
         myBuildParams.clear()
         JpsKotlinCompilerRunner.releaseCompileServiceSession()
+        super.tearDown()
     }
 
     private val libraries = mutableMapOf<String, JpsLibrary>()