Remove hard-coded StreamReadConstraints test variables to isolate c…

…hange in `jackson-core` itself (FasterXML#3930)

src/test/java/com/fasterxml/jackson/databind/deser/dos/DeepJsonNodeDeser3397Test.java

@@ -13,7 +13,7 @@ public class DeepJsonNodeDeser3397Test extends BaseMapTest
     // ... currently gets a bit slow at 1M but passes.
     // But test with 100k as practical limit, to guard against regression
 //    private final static int TOO_DEEP_NESTING = 1_000_000;
-    private final static int TOO_DEEP_NESTING = 10_000;
+    private final static int TOO_DEEP_NESTING = StreamReadConstraints.DEFAULT_MAX_DEPTH * 10;
 
     private final JsonFactory jsonFactory = JsonFactory.builder()
             .streamReadConstraints(StreamReadConstraints.builder().maxNestingDepth(Integer.MAX_VALUE).build())

src/test/java/com/fasterxml/jackson/databind/deser/dos/DeepNestingUntypedDeserTest.java

@@ -18,7 +18,7 @@ public class DeepNestingUntypedDeserTest extends BaseMapTest
     // 31-May-2022, tatu: But no more! Can handle much much larger
     //   nesting levels, bounded by memory usage not stack. Tested with
     //   1 million (!) nesting levels, but to keep tests fast use 100k
-    private final static int TOO_DEEP_NESTING = 100_000;
+    private final static int TOO_DEEP_NESTING = StreamReadConstraints.DEFAULT_MAX_DEPTH * 100;
 
     private final JsonFactory jsonFactory = JsonFactory.builder()
             .streamReadConstraints(StreamReadConstraints.builder().maxNestingDepth(Integer.MAX_VALUE).build())

src/test/java/com/fasterxml/jackson/databind/deser/dos/StreamReadStringConstraintsTest.java

@@ -32,7 +32,7 @@ void setString(String string) {
     /**********************************************************************
      */
 
-    private final static int TOO_LONG_STRING_VALUE = 20_100_000;
+    private final static int TOO_LONG_STRING_VALUE = StreamReadConstraints.DEFAULT_MAX_STRING_LEN + 100;
 
     private final ObjectMapper MAPPER = newJsonMapper();