fixed test issue causing build to fail

virtdata-lib-basics/src/test/java/io/nosqlbench/virtdata/library/basics/shared/from_long/to_vector/HdfFileToVectorTest.java

@@ -17,13 +17,23 @@
 
 package io.nosqlbench.virtdata.library.basics.shared.from_long.to_vector;
 
+import org.apache.commons.io.FileUtils;
 import org.junit.jupiter.api.Test;
 
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.List;
 
+import static com.datastax.oss.protocol.internal.ProtocolConstants.ErrorCode.READ_TIMEOUT;
+import static org.apache.logging.log4j.core.impl.ThrowableFormatOptions.FILE_NAME;
+
 public class HdfFileToVectorTest {
+    private static final int CONNECT_TIMEOUT = 100;
+
     @Test
-    public void testHdfFileToVector() {
+    public void testHdfFileToVector() throws IOException {
         final float[][] results = new float[][]{
             {0.0f,1.0f,2.0f,3.0f,4.0f,5.0f,6.0f},
             {2.0f,1.6666666f,2.4f,3.2857144f,4.2222223f,5.181818f,6.1538463f},
@@ -31,8 +41,15 @@ public class HdfFileToVectorTest {
             {6.0f,3.0f,3.2f,3.857143f,4.6666665f,5.5454545f,6.4615383f}
         };
 
+        FileUtils.copyURLToFile(
+            new URL("https://support.hdfgroup.org/ftp/HDF5/examples/files/exbyapi/h5ex_t_float.h5"),
+            new File("h5ex_t_float.h5"),
+            CONNECT_TIMEOUT,
+            READ_TIMEOUT);
+
         HdfFileToVector hdfFileToVector = new HdfFileToVector(
-            "src/test/resources/data/h5ex_t_float.h5", "/DS1");
+            "h5ex_t_float.h5",
+            "/DS1");
 
         List<Float> read;
         for (int i = 0; i < 4; i++) {
@@ -41,5 +58,7 @@ public class HdfFileToVectorTest {
                 assert (read.get(j) == results[i][j]);
             }
         }
+
+        new File("h5ex_t_float.h5").delete();
     }
 }