Remove test parallelism

.circleci/config.yml

@@ -105,7 +105,6 @@ jobs:
 
   test:
     executor: sbt_executor
-    parallelism: 8  # See https://circleci.com/docs/2.0/parallelism-faster-jobs/
     steps:
       - checkout
       - early_return_for_skip_tests
@@ -113,9 +112,7 @@ jobs:
       - run:
           name: Scalatest
           command: |
-            TEST_PATTERNS=$(bash .circleci/test-patterns.sh)
-            echo "Test patterns: $TEST_PATTERNS"
-            sbt coverage "testOnly $TEST_PATTERNS" coverageReport
+            sbt coverage test coverageReport
       - run:
           name: Submit code coverage data
           command: |

.circleci/test-patterns.sh

@@ -1,20 +0,0 @@
-#!/bin/bash
-
-# Find all test files and output a list of patterns to stdout like:
-#  *AddonViewsTest
-#  *ScalarsTest
-#  etc.
-
-# Change PWD to the root of the git repo.
-cd $(git rev-parse --show-toplevel)
-
-# Find the names of all classes extending FlatSpec and collect them into a file of patterns;
-# we make liberal use of '  *' as a way of expressing "at least one space"
-TEST_FILES=$(find src/test/ -name "*.scala")
-sed -n 's/class  *\(.*\)  *extends  *FlatSpec.*/*\1/p' $TEST_FILES | sort | uniq > test_patterns.txt
-
-# Use the circleci cli to choose a subset of test patterns to return;
-# the output here will be different for each of the parallel jobs
-# (based on CIRCLE_NODE_INDEX and CIRCLE_NODE_TOTAL vars);
-# the output is piped through a few utilities to normalize whitespace.
-circleci tests split test_patterns.txt | tr -d '\r' | grep . | paste -s -d' ' -