Polishing.

Update placeholders to recent syntax, reduce test fork count.

See: #3309

Author: mp911de

spring-data-jpa-performance/pom.xml

@@ -19,9 +19,9 @@
     <dependencies>
 
         <dependency>
-            <groupId>${groupId}</groupId>
+            <groupId>${project.groupId}</groupId>
             <artifactId>spring-data-jpa</artifactId>
-            <version>${version}</version>
+            <version>${project.version}</version>
         </dependency>
 
         <dependency>

spring-data-jpa-performance/src/test/java/org/springframework/data/jpa/repository/RepositoryFinderTests.java

@@ -31,12 +31,14 @@
 import java.util.Set;
 
 import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Fork;
 import org.openjdk.jmh.annotations.Level;
 import org.openjdk.jmh.annotations.Measurement;
 import org.openjdk.jmh.annotations.Scope;
 import org.openjdk.jmh.annotations.Setup;
 import org.openjdk.jmh.annotations.State;
 import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Timeout;
 import org.openjdk.jmh.annotations.Warmup;
 import org.springframework.data.jpa.model.IPersonProjection;
 import org.springframework.data.jpa.model.Person;
@@ -48,8 +50,10 @@
  * @author Christoph Strobl
  */
 @Microbenchmark
-@Warmup(time = 5, iterations = 3)
-@Measurement(time = 5)
+@Fork(1)
+@Warmup(time = 2, iterations = 3)
+@Measurement(time = 2)
+@Timeout(time = 2)
 public class RepositoryFinderTests {
 
 	@State(Scope.Benchmark)