a test for IDEA-99898 Java completion doesn't take into account inferred type...

java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier.java

@@ -0,0 +1,9 @@
+public class Aaaaaaa {
+
+    void bar(Object foo) {
+        if (foo instanceof String) {
+            fo.substr<caret>
+        }
+    }
+
+}

java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier_after.java

@@ -0,0 +1,9 @@
+public class Aaaaaaa {
+
+    void bar(Object foo) {
+        if (foo instanceof String) {
+          ((String) foo).substr<caret>
+        }
+    }
+
+}