Further improve settings for extra tests from GitLab

tests/lakedrops.yml

@@ -8,10 +8,14 @@
 Build Site:
   script:
     - echo "Placeholder"
+  rules:
+    - when: never
 
 Build Theme:
   script:
     - echo "Placeholder"
+  rules:
+    - when: never
 
 Test Code Style:
   <<: *test_lakedrops_default
@@ -30,7 +34,7 @@ Test Code Style:
   dependencies:
     - 'Build Site'
   rules:
-    - if: $DISABLE_CI_TEST_CODESTYLE
+    - if: '$DISABLE_CI_TEST_CODESTYLE == "1"'
       when: never
 
 Test PHPUnit:
@@ -56,7 +60,7 @@ Test PHPUnit:
   dependencies:
     - 'Build Site'
   rules:
-    - if: $DISABLE_CI_TEST_PHPUNIT
+    - if: '$DISABLE_CI_TEST_PHPUNIT == "1"'
       when: never
 
 Test Behat:
@@ -77,7 +81,7 @@ Test Behat:
   dependencies:
     - 'Build Site'
   rules:
-    - if: $DISABLE_CI_TEST_BEHAT
+    - if: '$DISABLE_CI_TEST_BEHAT == "1"'
       when: never
 
 Test Backstop:
@@ -96,5 +100,5 @@ Test Backstop:
     - 'Build Site'
     - 'Build Theme'
   rules:
-    - if: $DISABLE_CI_TEST_BACKSTOP
+    - if: '$DISABLE_CI_TEST_BACKSTOP == "1"'
       when: never