Make TestDirectory use testsuite class instead to not allow parallel …

…execution

community/io/src/test/java/org/neo4j/test/rule/PageCacheAndDependenciesRule.java

@@ -45,17 +45,18 @@ public class PageCacheAndDependenciesRule implements TestRule
 
     public PageCacheAndDependenciesRule()
     {
-        this( () -> new EphemeralFileSystemRule() );
+        this( EphemeralFileSystemRule::new, null );
     }
 
     /**
      * @param fsSupplier as {@link Supplier} to make it clear that it is this class that owns the created
      * {@link FileSystemRule} instance.
+     * @param clazz class to make distinctions for test directories
      */
-    public PageCacheAndDependenciesRule( Supplier<FileSystemRule<? extends FileSystemAbstraction>> fsSupplier )
+    public PageCacheAndDependenciesRule( Supplier<FileSystemRule<? extends FileSystemAbstraction>> fsSupplier, Class<?> clazz )
     {
         this.fs = fsSupplier.get();
-        this.directory = TestDirectory.testDirectory( fs );
+        this.directory = TestDirectory.testDirectory( clazz, fs );
         this.chain = RuleChain.outerRule( fs ).around( directory ).around( pageCacheRule );
     }
 

community/kernel/src/test/java/org/neo4j/kernel/api/index/IndexProviderCompatibilityTestSuite.java

@@ -53,7 +53,7 @@ public abstract class IndexProviderCompatibilityTestSuite
     public abstract static class Compatibility
     {
         @Rule
-        public PageCacheAndDependenciesRule pageCacheAndDependenciesRule = new PageCacheAndDependenciesRule( DefaultFileSystemRule::new );
+        public final PageCacheAndDependenciesRule pageCacheAndDependenciesRule;
 
         protected File graphDbDir;
         protected FileSystemAbstraction fs;
@@ -74,6 +74,7 @@ public Compatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescri
         {
             this.testSuite = testSuite;
             this.descriptor = descriptor;
+            pageCacheAndDependenciesRule = new PageCacheAndDependenciesRule( DefaultFileSystemRule::new, testSuite.getClass() );
         }
 
         protected void withPopulator( IndexPopulator populator, ThrowingConsumer<IndexPopulator,Exception> runWithPopulator ) throws Exception

community/kernel/src/test/java/org/neo4j/kernel/api/index/UniqueConstraintCompatibility.java

@@ -24,10 +24,9 @@
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Ignore;
-import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
+import java.util.Collections;
 import java.util.IdentityHashMap;
 import java.util.Map;
 import java.util.concurrent.CountDownLatch;
@@ -53,15 +52,11 @@
 import org.neo4j.kernel.internal.GraphDatabaseAPI;
 import org.neo4j.kernel.lifecycle.Lifecycle;
 import org.neo4j.test.TestGraphDatabaseFactory;
-import org.neo4j.test.rule.TestDirectory;
 
 import static org.hamcrest.Matchers.instanceOf;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.nullValue;
 import static org.junit.Assert.assertThat;
-
-import static java.util.Arrays.asList;
-
 import static org.neo4j.kernel.impl.locking.LockService.LockType;
 
 @Ignore( "Not a test. This is a compatibility suite that provides test cases for verifying" +
@@ -133,6 +128,20 @@ public UniqueConstraintCompatibility( IndexProviderCompatibilityTestSuite testSu
      * There's a lot of work to be done here.
      */
 
+    @Before
+    public void setUp()
+    {
+        TestGraphDatabaseFactory dbFactory = new TestGraphDatabaseFactory();
+        dbFactory.setKernelExtensions( Collections.singletonList( new PredefinedSchemaIndexProviderFactory( indexProvider ) ) );
+        db = dbFactory.newImpermanentDatabase( graphDbDir );
+    }
+
+    @After
+    public void tearDown()
+    {
+        db.shutdown();
+    }
+
     // -- Tests:
 
     @Test
@@ -982,26 +991,6 @@ private static void awaitUninterruptibly( CountDownLatch latch )
         }
     }
 
-    // -- Set Up: Environment parts
-
-    @Rule
-    public TestDirectory testDirectory = TestDirectory.testDirectory( getClass() );
-
-    @Before
-    public void setUp()
-    {
-        File storeDir = testDirectory.graphDbDir();
-        TestGraphDatabaseFactory dbfactory = new TestGraphDatabaseFactory();
-        dbfactory.setKernelExtensions( asList( new PredefinedSchemaIndexProviderFactory( indexProvider ) ) );
-        db = dbfactory.newImpermanentDatabase( storeDir );
-    }
-
-    @After
-    public void tearDown()
-    {
-        db.shutdown();
-    }
-
     private static class PredefinedSchemaIndexProviderFactory extends KernelExtensionFactory<PredefinedSchemaIndexProviderFactory.NoDeps>
     {
         private final SchemaIndexProvider indexProvider;