Update some AGENTS.md

Author: Quinn-With-Two-Ns

AGENTS.md

@@ -9,7 +9,7 @@
 - `temporal-spring-boot-autoconfigure`: Spring Boot auto configuration.
 - `temporal-kotlin`: Kotlin DSL for the SDK.
 - `temporal-opentracing`: OpenTracing interceptor integration.
-- 
+
 ## General Guidance
 - Avoid changing public API signatures. Anything under an `internal` directory
   is not part of the public API and may change freely.
@@ -20,7 +20,7 @@
    ```bash
    ./gradlew --offline spotlessApply
    ```
-2. Run the tests. A full build requires a local Temporal Server instance.
+2. Run the tests. This can take a long time so you may prefer to run individual tests.
    ```bash
    ./gradlew test
    ```
@@ -35,8 +35,7 @@
    ```
 
 ## Tests
-- Tests use JUnit4 and are located under
-  `temporal-sdk/src/test/java/io/temporal`.
+- All tests for this each package is located in `$PACKAGE_NAME/src/test/java/io/temporal`, where `$PACKAGE_NAME` is the name of the package
 - Workflow API tests should rely on `SDKTestWorkflowRule` to create a worker and
   register workflows, activities, and nexus services.
 

temporal-kotlin/AGENTS.md

@@ -0,0 +1 @@
+Unlike the rest of this repository, this directory is for the Kotlin SDK so most of the code here is written in Kotlin, not Java.

temporal-sdk/AGENTS.md

@@ -5,5 +5,3 @@ The SDK is written in Java and is designed to be used with the Temporal service.
 # Testing
 
 All tests are written using JUnit4.
-
-All tests for this package are located in `temporal-sdk/src/test/java/io/temporal`