Fix: CE

Author: sergeypospelov

utbot-framework-test/src/main/java/org/utbot/examples/strings/StringConcat.java

@@ -2,19 +2,20 @@
 
 import org.utbot.api.mock.UtMock;
 
-class Test {
-    int x;
 
-    @Override
-    public String toString() {
-        if (x == 42) {
-            throw new IllegalArgumentException();
+public class StringConcat {
+    static class Test {
+        public int x;
+
+        @Override
+        public String toString() {
+            if (x == 42) {
+                throw new IllegalArgumentException();
+            }
+            return "x = " + x;
         }
-        return "x = " + x;
     }
-}
 
-public class StringConcat {
     String str;
     public String concatArguments(String a, String b, String c) {
         return a + b + c;