Generate Secondary Constructor: Fix test data loading. Add test with non-generic Java superclass

idea/testData/codeInsight/generate/secondaryConstructors/javaSupersWithGenerics.java

@@ -0,0 +1,9 @@
+public class Base<X, Y> {
+    public Base(X x) {
+
+    }
+
+    public Base(X x, Y y) {
+
+    }
+}