diff --git a/.github/workflows/end-to-end-tests.yml b/.github/workflows/end-to-end-tests.yml
index ff9efd3729..ad05b65b90 100644
--- a/.github/workflows/end-to-end-tests.yml
+++ b/.github/workflows/end-to-end-tests.yml
@@ -6,7 +6,7 @@ on:
   push:
     branches:
       - master
-      - 4.0
+      - 4.x
     tags:
       - '**'
     paths-ignore:
@@ -27,7 +27,7 @@ jobs:
 
     strategy:
       matrix:
-        php: ['5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
 
     # yamllint disable-line rule:line-length
     name: "E2E PHP: ${{ matrix.php }}"
diff --git a/tests/EndToEnd/phpcbf_test.sh b/tests/EndToEnd/phpcbf_test.sh
index 3886832342..d8eeae0462 100644
--- a/tests/EndToEnd/phpcbf_test.sh
+++ b/tests/EndToEnd/phpcbf_test.sh
@@ -5,22 +5,22 @@ function tear_down() {
 }
 
 function test_phpcbf_is_working() {
-  OUTPUT="$(bin/phpcbf --no-cache --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassOneWithoutStyleError.inc tests/EndToEnd/Fixtures/ClassTwoWithoutStyleError.inc)"
+  OUTPUT="$( { bin/phpcbf --no-cache --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassOneWithoutStyleError.inc tests/EndToEnd/Fixtures/ClassTwoWithoutStyleError.inc; } 2>&1 )"
 
   assert_successful_code
   assert_contains "No violations were found" "$OUTPUT"
 }
 
 function test_phpcbf_is_working_in_parallel() {
-  OUTPUT="$(bin/phpcbf --no-cache --parallel=2 --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassOneWithoutStyleError.inc tests/EndToEnd/Fixtures/ClassTwoWithoutStyleError.inc)"
+  OUTPUT="$( { bin/phpcbf --no-cache --parallel=2 --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassOneWithoutStyleError.inc tests/EndToEnd/Fixtures/ClassTwoWithoutStyleError.inc; } 2>&1 )"
 
   assert_successful_code
   assert_contains "No violations were found" "$OUTPUT"
 }
 
 function test_phpcbf_returns_error_on_issues() {
-  OUTPUT="$(bin/phpcbf --no-colors --no-cache --suffix=.fixed --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassWithStyleError.inc)"
-  assert_exit_code 1
+  OUTPUT="$( { bin/phpcbf --no-colors --parallel=1 --no-cache --suffix=.fixed --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassWithStyleError.inc; } 2>&1 )"
+  assert_successful_code
 
   assert_contains "F 1 / 1 (100%)" "$OUTPUT"
   assert_contains "A TOTAL OF 1 ERROR WERE FIXED IN 1 FILE" "$OUTPUT"
diff --git a/tests/EndToEnd/phpcs_test.sh b/tests/EndToEnd/phpcs_test.sh
index 3bdf41708d..dcc643b03b 100644
--- a/tests/EndToEnd/phpcs_test.sh
+++ b/tests/EndToEnd/phpcs_test.sh
@@ -9,8 +9,8 @@ function test_phpcs_is_working_in_parallel() {
 }
 
 function test_phpcs_returns_error_on_issues() {
-  OUTPUT="$(bin/phpcs --no-colors --no-cache --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassWithStyleError.inc)"
-  assert_exit_code 2
+  OUTPUT="$( { bin/phpcs --no-colors --no-cache --standard=tests/EndToEnd/Fixtures/endtoend.xml.dist tests/EndToEnd/Fixtures/ClassWithStyleError.inc; } 2>&1 )"
+  assert_exit_code 1
 
   assert_contains "E 1 / 1 (100%)" "$OUTPUT"
   assert_contains "FOUND 1 ERROR AFFECTING 1 LINE" "$OUTPUT"