addressing PR comments

Author: ORybak5

service/build.gradle

@@ -133,7 +133,6 @@ tasks.withType(Test) {
 }
 
 check.dependsOn integrationTest
-integrationTest.mustRunAfter test
 
 spotbugsTest.enabled = false
 spotbugsIntegrationTest.enabled = false

service/src/test/java/uk/nhs/adaptors/gp2gp/common/configuration/CustomTrustStoreTest.java

@@ -3,7 +3,6 @@
 import io.findify.s3mock.S3Mock;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
 import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
@@ -24,7 +23,7 @@ class CustomTrustStoreTest {
     private static final String BUCKET_NAME = "test-bucket";
     private static final String TRUSTSTORE_PATH = "test.jks";
     private static final String TRUSTSTORE_PASSWORD = "password";
-    private CustomTrustStore customTrustStore;
+    private static CustomTrustStore customTrustStore;
 
     @BeforeAll
     static void setUp() {
@@ -47,14 +46,15 @@ static void setUp() {
                            software.amazon.awssdk.core.sync.RequestBody.fromFile(trustStoreFile));
     }
 
-    @BeforeEach
-    void prepare() {
+    @BeforeAll
+    static void setup() {
         customTrustStore = new CustomTrustStore(s3Client);
     }
 
     @AfterAll
     static void tearDown() {
         s3Mock.shutdown();
+        customTrustStore = null;
     }
 
     @Test