diff --git a/tests/testthat/test-data.R b/tests/testthat/test-data.R
index 10e61f403..2cb0cb9b1 100644
--- a/tests/testthat/test-data.R
+++ b/tests/testthat/test-data.R
@@ -3,3 +3,42 @@ test_that("Example objects are of the correct class", {
   expect_s3_class(example_vp, "vp")
   expect_s3_class(example_vpts, "vpts")
 })
+
+test_that("Example objects are of correct class (2nd test)", {
+  expect_true(is.scan(example_scan))
+  expect_true(is.vp(example_vp))
+  expect_true(is.vpts(example_vpts))
+})
+
+test_that("Example scan includes all five parameters", {
+  expect_true(is.param(get_param(example_scan, 'DBZH')))
+  expect_true(is.param(get_param(example_scan, 'VRADH')))
+  expect_true(is.param(get_param(example_scan, 'RHOHV')))
+  expect_true(is.param(get_param(example_scan, 'ZDR')))
+  expect_true(is.param(get_param(example_scan, 'PHIDP')))
+})
+
+test_that("Plotting example scan produces no error", {
+  expect_no_error(plot(example_scan, param = "DBZH"))
+  expect_no_error(plot(example_scan, param = "VRADH"))
+  expect_no_error(plot(example_scan, param = "RHOHV"))
+  expect_no_error(plot(example_scan, param = "ZDR"))
+  expect_no_error(plot(example_scan, param = "PHIDP"))
+})
+
+test_that("Plotting example vp produces no error", {
+  expect_no_error(plot(example_vp, quantity  = "DBZH"))
+  expect_no_error(plot(example_vp, quantity  = "dbz"))
+  expect_no_error(plot(example_vp, quantity  = "eta"))
+  expect_no_error(plot(example_vp, quantity  = "dens"))
+})
+
+test_that("Plotting example vpts produces no error", {
+  expect_no_error(plot(regularize_vpts(example_vpts), quantity  = "DBZH"))
+  expect_no_error(plot(regularize_vpts(example_vpts), quantity  = "dbz"))
+  expect_no_error(plot(regularize_vpts(example_vpts), quantity  = "eta"))
+  expect_no_error(plot(regularize_vpts(example_vpts), quantity  = "dens"))
+})
+
+
+