[FABCJ-214] - Java chaincode gRPC server

clean env in ChaincodeSupportClientTest manually

Signed-off-by: Oleksandr Yamkovyi <oleksandr.yamkoviy@intellecteu.com>

Author: oyamkovyi

fabric-chaincode-shim/src/test/java/org/hyperledger/fabric/shim/impl/ChaincodeSupportClientTest.java

@@ -25,11 +25,6 @@ class ChaincodeSupportClientTest {
     @Rule
     public final EnvironmentVariables environmentVariables = new EnvironmentVariables();
 
-    @After
-    public void cleanEnv() {
-        environmentVariables.clear("CORE_CHAINCODE_ID_NAME");
-    }
-
     @Test
     void testStartInvocationTaskManagerAndRequestObserverNull() throws IOException {
         environmentVariables.set("CORE_CHAINCODE_ID_NAME", "mycc");
@@ -54,6 +49,7 @@ void testStartInvocationTaskManagerAndRequestObserverNull() throws IOException {
                 },
                 "StreamObserver 'requestObserver' for chat with peer can't be null"
         );
+        environmentVariables.clear("CORE_CHAINCODE_ID_NAME");
     }
 
     @Test
@@ -91,5 +87,6 @@ public void onCompleted() {
                 },
                 "InvocationTaskManager 'itm' can't be null"
         );
+        environmentVariables.clear("CORE_CHAINCODE_ID_NAME");
     }
 }