Java: Inline models as data expected output as comments in the java files and add a test.

java/ql/test/utils/modelgenerator/dataflow/p/InnerClasses.java

@@ -1,21 +1,22 @@
 package p;
 
 public class InnerClasses {
-    
-    class IgnoreMe {
-        public String no(String input) {
-            return input;
-        }
-    }
-    
-    public class CaptureMe {
-        public String yesCm(String input) {
-            return input;
-        }
-    }
 
-    public String yes(String input) {
-        return input;
+  class IgnoreMe {
+    public String no(String input) {
+      return input;
     }
+  }
 
+  public class CaptureMe {
+    // MaD=p;InnerClasses$CaptureMe;true;yesCm;(String);;Argument[0];ReturnValue;taint;df-generated
+    public String yesCm(String input) {
+      return input;
+    }
+  }
+
+  // MaD=p;InnerClasses;true;yes;(String);;Argument[0];ReturnValue;taint;df-generated
+  public String yes(String input) {
+    return input;
+  }
 }