add junit to classpath when annotation FQN is used (IDEA-64909)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/orderEntry/A/src/x/DoTest4junit.java

@@ -0,0 +1,9 @@
+// "Add 'junit.jar' to classpath" "true"
+package x;
+
+public class DoTest4junit {
+ @org.ju<caret>nit.Test
+ void f() {
+
+ }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/quickFix/OrderEntryTest.java

@@ -133,6 +133,10 @@ public class OrderEntryTest extends DaemonAnalyzerTestCase {
     doTest("A/src/x/DoTest4.java");
   }
 
+  public void testAddJunit4inJunit() throws Exception {
+    doTest("A/src/x/DoTest4junit.java");
+  }
+
   public void testExistingJunit() throws Exception {
     doTest("B/src/y/AddExistingJunit.java");
   }