diff --git a/R/pkg/tests/fulltests/test_context.R b/R/pkg/tests/fulltests/test_context.R
index eb8d2a700e1ea..b9139154bc165 100644
--- a/R/pkg/tests/fulltests/test_context.R
+++ b/R/pkg/tests/fulltests/test_context.R
@@ -84,6 +84,7 @@ test_that("rdd GC across sparkR.stop", {
   countRDD(rdd3)
   countRDD(rdd4)
   sparkR.session.stop()
+  expect_true(TRUE)
 })
 
 test_that("job group functions can be called", {
@@ -93,6 +94,7 @@ test_that("job group functions can be called", {
   clearJobGroup()
 
   sparkR.session.stop()
+  expect_true(TRUE)
 })
 
 test_that("job description and local properties can be set and got", {
@@ -131,6 +133,7 @@ test_that("utility function can be called", {
   sparkR.sparkContext(master = sparkRTestMaster)
   setLogLevel("ERROR")
   sparkR.session.stop()
+  expect_true(TRUE)
 })
 
 test_that("getClientModeSparkSubmitOpts() returns spark-submit args from whitelist", {
@@ -234,4 +237,5 @@ test_that("SPARK-25234: parallelize should not have integer overflow", {
   # 47000 * 47000 exceeds integer range
   parallelize(sc, 1:47000, 47000)
   sparkR.session.stop()
+  expect_true(TRUE)
 })
diff --git a/R/pkg/tests/fulltests/test_includePackage.R b/R/pkg/tests/fulltests/test_includePackage.R
index f4ea0d1b5cb27..916361ff4c797 100644
--- a/R/pkg/tests/fulltests/test_includePackage.R
+++ b/R/pkg/tests/fulltests/test_includePackage.R
@@ -39,6 +39,7 @@ test_that("include inside function", {
     data <- lapplyPartition(rdd, generateData)
     actual <- collectRDD(data)
   }
+  expect_true(TRUE)
 })
 
 test_that("use include package", {
@@ -55,6 +56,7 @@ test_that("use include package", {
     data <- lapplyPartition(rdd, generateData)
     actual <- collectRDD(data)
   }
+  expect_true(TRUE)
 })
 
 sparkR.session.stop()
diff --git a/R/pkg/tests/fulltests/test_sparkSQL.R b/R/pkg/tests/fulltests/test_sparkSQL.R
index 4fcc2baa05467..175d5212cbbfe 100644
--- a/R/pkg/tests/fulltests/test_sparkSQL.R
+++ b/R/pkg/tests/fulltests/test_sparkSQL.R
@@ -1382,6 +1382,7 @@ test_that("column operators", {
   c5 <- c2 ^ c3 ^ c4
   c6 <- c2 %<=>% c3
   c7 <- !c6
+  expect_true(TRUE)
 })
 
 test_that("column functions", {
diff --git a/R/pkg/tests/fulltests/test_textFile.R b/R/pkg/tests/fulltests/test_textFile.R
index be2d2711ff88e..046018c7c2a2d 100644
--- a/R/pkg/tests/fulltests/test_textFile.R
+++ b/R/pkg/tests/fulltests/test_textFile.R
@@ -75,6 +75,7 @@ test_that("several transformations on RDD created by textFile()", {
   collectRDD(rdd)
 
   unlink(fileName)
+  expect_true(TRUE)
 })
 
 test_that("textFile() followed by a saveAsTextFile() returns the same content", {
diff --git a/R/pkg/tests/run-all.R b/R/pkg/tests/run-all.R
index 1e96418558883..bf02ecdad66ff 100644
--- a/R/pkg/tests/run-all.R
+++ b/R/pkg/tests/run-all.R
@@ -20,7 +20,6 @@ library(SparkR)
 
 # SPARK-25572
 if (identical(Sys.getenv("NOT_CRAN"), "true")) {
-
   # Turn all warnings into errors
   options("warn" = 2)
 
@@ -60,11 +59,23 @@ if (identical(Sys.getenv("NOT_CRAN"), "true")) {
   if (identical(Sys.getenv("NOT_CRAN"), "true")) {
     # set random seed for predictable results. mostly for base's sample() in tree and classification
     set.seed(42)
-    # for testthat 1.0.2 later, change reporter from "summary" to default_reporter()
-    testthat:::run_tests("SparkR",
-                         file.path(sparkRDir, "pkg", "tests", "fulltests"),
-                         NULL,
-                         "summary")
+
+    # TODO (SPARK-30663) To be removed once testthat 1.x is removed from all builds
+    if (grepl("^1\\..*", packageVersion("testthat"))) {
+      # testthat 1.x
+      test_runner <- testthat:::run_tests
+      reporter <- "summary"
+
+    } else {
+      # testthat >= 2.0.0
+      test_runner <- testthat:::test_package_dir
+      reporter <- testthat::default_reporter()
+    }
+
+    test_runner("SparkR",
+                file.path(sparkRDir, "pkg", "tests", "fulltests"),
+                NULL,
+                reporter)
   }
 
   SparkR:::uninstallDownloadedSpark()
diff --git a/appveyor.yml b/appveyor.yml
index 00c688ba18eb6..5d98260265b1a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -43,11 +43,7 @@ install:
   - ps: .\dev\appveyor-install-dependencies.ps1
   # Required package for R unit tests
   - cmd: R -e "install.packages(c('knitr', 'rmarkdown', 'e1071', 'survival', 'arrow'), repos='https://cloud.r-project.org/')"
-  # Here, we use the fixed version of testthat. For more details, please see SPARK-22817.
-  # As of devtools 2.1.0, it requires testthat higher then 2.1.1 as a dependency. SparkR test requires testthat 1.0.2.
-  # Therefore, we don't use devtools but installs it directly from the archive including its dependencies.
-  - cmd: R -e "install.packages(c('crayon', 'praise', 'R6'), repos='https://cloud.r-project.org/')"
-  - cmd: R -e "install.packages('https://cloud.r-project.org/src/contrib/Archive/testthat/testthat_1.0.2.tar.gz', repos=NULL, type='source')"
+  - cmd: R -e "install.packages(c('crayon', 'praise', 'R6', 'testthat'), repos='https://cloud.r-project.org/')"
   - cmd: R -e "packageVersion('knitr'); packageVersion('rmarkdown'); packageVersion('testthat'); packageVersion('e1071'); packageVersion('survival'); packageVersion('arrow')"
 
 build_script:
diff --git a/docs/README.md b/docs/README.md
index ef849d53daf75..2001de6207d10 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -6,9 +6,9 @@ license: |
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at
- 
+
      http://www.apache.org/licenses/LICENSE-2.0
- 
+
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -39,9 +39,8 @@ installed. Also install the following libraries:
 $ sudo gem install jekyll jekyll-redirect-from rouge
 # Following is needed only for generating API docs
 $ sudo pip install sphinx pypandoc mkdocs
-$ sudo Rscript -e 'install.packages(c("knitr", "devtools", "rmarkdown"), repos="https://cloud.r-project.org/")'
+$ sudo Rscript -e 'install.packages(c("knitr", "devtools", "testthat", "rmarkdown"), repos="https://cloud.r-project.org/")'
 $ sudo Rscript -e 'devtools::install_version("roxygen2", version = "5.0.1", repos="https://cloud.r-project.org/")'
-$ sudo Rscript -e 'devtools::install_version("testthat", version = "1.0.2", repos="https://cloud.r-project.org/")'
 ```
 
 Note: If you are on a system with both Ruby 1.9 and Ruby 2.0 you may need to replace gem with gem2.0.
diff --git a/docs/building-spark.md b/docs/building-spark.md
index 580f982086731..77ab7900dc4a2 100644
--- a/docs/building-spark.md
+++ b/docs/building-spark.md
@@ -9,9 +9,9 @@ license: |
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at
- 
+
      http://www.apache.org/licenses/LICENSE-2.0
- 
+
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -70,9 +70,9 @@ This will build Spark distribution along with Python pip and R packages. For mor
 
 ## Specifying the Hadoop Version and Enabling YARN
 
-You can specify the exact version of Hadoop to compile against through the `hadoop.version` property. 
+You can specify the exact version of Hadoop to compile against through the `hadoop.version` property.
 
-You can enable the `yarn` profile and optionally set the `yarn.version` property if it is different 
+You can enable the `yarn` profile and optionally set the `yarn.version` property if it is different
 from `hadoop.version`.
 
 Example:
@@ -238,8 +238,7 @@ The run-tests script also can be limited to a specific Python version or a speci
 
 To run the SparkR tests you will need to install the [knitr](https://cran.r-project.org/package=knitr), [rmarkdown](https://cran.r-project.org/package=rmarkdown), [testthat](https://cran.r-project.org/package=testthat), [e1071](https://cran.r-project.org/package=e1071) and [survival](https://cran.r-project.org/package=survival) packages first:
 
-    Rscript -e "install.packages(c('knitr', 'rmarkdown', 'devtools', 'e1071', 'survival'), repos='https://cloud.r-project.org/')"
-    Rscript -e "devtools::install_version('testthat', version = '1.0.2', repos='https://cloud.r-project.org/')"
+    Rscript -e "install.packages(c('knitr', 'rmarkdown', 'devtools', 'testthat', 'e1071', 'survival'), repos='https://cloud.r-project.org/')"
 
 You can run just the SparkR tests using the command: