Restore deprecated API that was erroneously deleted.

Closes #7.10.1

Author: krmahadevan

CHANGES.txt

@@ -1,5 +1,8 @@
 Current (7.11.0)
 
+7.10.1
+Fixed: GITHUB-3110: Update from testng 7.9.0 to 7.10.0 break maven build with junit5 (Krishnan Mahadevan)
+
 7.10.0
 Fixed: GITHUB-3000: Method predecessors lookup and/or method sorting is broken in certain inheritance and naming setups (Krishnan Mahadevan)
 Fixed: GITHUB-3095: Super class annotated with ITestNGListenerFactory makes derived test class throw TestNGException on execution (Krishnan Mahadevan)

gradle.properties

@@ -4,7 +4,7 @@ kotlin.code.style=official
 # Note: testng.kotlin-library.gradle.kts adds kotlin-stdlib for testImplementation
 kotlin.stdlib.default.dependency=false
 
-testng.version=7.11.0
+testng.version=7.10.1
 
 group=org.testng
 

testng-core-api/src/main/java/org/testng/IClass.java

@@ -47,6 +47,10 @@ default Object[] getInstances(boolean create, String errorMsgPrefix) {
     return getInstances(create);
   }
 
+  /** @deprecated - As of TestNG <code>v7.10.0</code> */
+  @Deprecated
+  long[] getInstanceHashCodes();
+
   /**
    * @param instance - The instance to be added.
    * @deprecated - As of TestNG <code>v7.10.0</code>