NIFI-2092 Fixing unit tests which try to clean up directories before stopping the FlowController that has locks opened.

This closes #568

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/scheduling/TestProcessorLifecycle.java

@@ -91,9 +91,9 @@ public class TestProcessorLifecycle {
 
     @After
     public void after() throws Exception {
+        fc.shutdown(true);
         FileUtils.deleteDirectory(new File("./target/test-repo"));
         FileUtils.deleteDirectory(new File("./target/content_repository"));
-        fc.shutdown(true);
     }
 
     @Test

nifi-nar-bundles/nifi-standard-bundle/nifi-standard-reporting-tasks/src/test/java/org/apache/nifi/controller/MonitorMemoryTest.java

@@ -51,9 +51,9 @@ public class MonitorMemoryTest {
 
     @After
     public void after() throws Exception {
+        fc.shutdown(true);
         FileUtils.deleteDirectory(new File("./target/test-repo"));
         FileUtils.deleteDirectory(new File("./target/content_repository"));
-        fc.shutdown(true);
     }
 
     @Test(expected = IllegalStateException.class)