Fix broken test.

Author: uhafner

plugin/src/test/java/io/jenkins/plugins/coverage/metrics/charts/TreeMapNodeConverterTest.java

@@ -5,7 +5,6 @@
 
 import org.junit.jupiter.api.Test;
 
-import edu.hm.hafner.coverage.CoverageParser;
 import edu.hm.hafner.coverage.Metric;
 import edu.hm.hafner.coverage.Node;
 import edu.hm.hafner.echarts.LabeledTreeMapNode;
@@ -23,12 +22,12 @@
  * @author Ullrich Hafner
  */
 class TreeMapNodeConverterTest extends AbstractCoverageTest {
-
  private static final ColorProvider COLOR_PROVIDER = ColorProviderFactory.createDefaultColorProvider();
+ private static final String PREFIX = "../steps/";
 
  @Test
  void shouldConvertCodingStyleToTree() {
- Node tree = readJacocoResult(JACOCO_CODING_STYLE_FILE);
+ Node tree = readJacocoResult(PREFIX + JACOCO_CODING_STYLE_FILE);
 
  LabeledTreeMapNode root = new TreeMapNodeConverter().toTreeChartModel(tree, Metric.LINE, COLOR_PROVIDER);
  assertThat(root.getName()).isEqualTo("Java coding style");
@@ -50,7 +49,7 @@ void shouldConvertCodingStyleToTree() {
 
  @Test
  void shouldReadBranchCoverage() {
- Node tree = readJacocoResult(JACOCO_ANALYSIS_MODEL_FILE);
+ Node tree = readJacocoResult(PREFIX + JACOCO_ANALYSIS_MODEL_FILE);
 
  LabeledTreeMapNode root = new TreeMapNodeConverter().toTreeChartModel(tree, Metric.BRANCH, COLOR_PROVIDER);
 
@@ -70,11 +69,6 @@ private List<LabeledTreeMapNode> aggregateChildren(final LabeledTreeMapNode root
  return subChildren;
  }
 
- @Override
- protected Node readResult(final String fileName, final CoverageParser parser) {
- return super.readJacocoResult("../steps/" + fileName);
- }
-
  /**
  * Gets the matching fill color for the coverage percentage.
  *