update order of input params to createSpan + add additional unit tests

Author: ldetmer

java-bigquery/google-cloud-bigquery/src/test/java/com/google/cloud/bigquery/spi/v2/HttpBigQueryRpcTest.java

@@ -800,7 +800,7 @@ public void testCreateJobTelemetry() throws Exception {
           "com.google.cloud.bigquery.BigQueryRpc.createJob",
           "JobService",
           "InsertJob",
-          null,
+          RESOURCE_PROJECT_PREFIX + PROJECT_ID + "/jobs",
           attributes);
     }
 
@@ -825,7 +825,7 @@ public void testCreateJobForQueryTelemetry() throws Exception {
           "com.google.cloud.bigquery.BigQueryRpc.createJobForQuery",
           "JobService",
           "InsertJob",
-          null,
+          RESOURCE_PROJECT_PREFIX + PROJECT_ID + "/jobs",
           attributes);
     }