fix(query): fix parsing of multiple predicates

Author: samiaul

src/main/java/io/github/treesitter/jtreesitter/Query.java

@@ -267,7 +267,7 @@ private void handlePredicates(String source, MemorySegment query, @Unsigned int
                         predicates.get(i).add(new QueryPredicate(predicate, values));
                     }
                     j += nargs;
-                    tokens = TSQueryPredicateStep.asSlice(tokens, nargs);
+                    tokens = TSQueryPredicateStep.asSlice(tokens, nargs + 1);
                 }
             }
         }

src/test/java/io/github/treesitter/jtreesitter/QueryTest.java

@@ -178,4 +178,19 @@ void getPatternAssertions() {
             assertEquals("FOO", assertions.get("foo").orElse(null));
         });
     }
+
+    @Test
+    void queryWithTwoPredicates() {
+        var source = """
+                ((identifier) @foo
+                 (#eq? @foo "foo")
+                 (#not-eq? @foo "bar"))
+                """
+                .stripIndent();
+        assertQuery(source, query -> {
+            assertEquals(1, query.getPatternCount());
+            assertIterableEquals(List.of("foo"), query.getCaptureNames());
+            assertIterableEquals(List.of("eq?", "foo", "not-eq?", "bar"), query.getStringValues());
+        });
+    }
 }