Add reactor unit tests to Kokoro

Bug b/123360006

Change-Id: I4132ebf474f8055554126529839c33fd87d75499
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26768
Tested-by: Nicolas Capens <nicolascapens@google.com>
Presubmit-Ready: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
diff --git a/kokoro/gcp_ubuntu/continuous.sh b/kokoro/gcp_ubuntu/continuous.sh
index eea4f8f..7b965f9 100755
--- a/kokoro/gcp_ubuntu/continuous.sh
+++ b/kokoro/gcp_ubuntu/continuous.sh
@@ -14,5 +14,7 @@
 cmake ..
 make --jobs=$(nproc)
 
-# Run the GLES unit tests.
-./unittests
\ No newline at end of file
+# Run the GLES unit tests. TODO(capn): rename.
+./unittests
+
+./ReactorUnitTests
\ No newline at end of file