Split the 'prod' workflow up into different isolated workflows

This is required to ensure that cache entries are namespaced correctly
for the integration tests.

.github/workflows/failure-cases.yml

@@ -0,0 +1,37 @@
+ # Run builds under certain failure conditions to allow the output to be manually inspected.
+# These build invocations are informational only, and are expected to fail
+name: failure-cases
+
+on:
+  pull_request:
+  push:
+  workflow_dispatch:
+
+env:
+  CACHE_KEY_PREFIX: ${{github.workflow}}#${{github.run_number}}-
+
+jobs:
+  wrapper-missing:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@v2
+    - name: Test wrapper missing
+      uses: ./
+      continue-on-error: true
+      with:
+        build-root-directory: __tests__/samples/no-wrapper
+        arguments: help
+
+  bad-configuration:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@v2
+    - name: Test bad config value
+      uses: ./
+      continue-on-error: true
+      with:
+        build-root-directory: __tests__/samples/no-wrapper
+        arguments: help
+        gradle-cache-enabled: no

.github/workflows/integration-testing-kotlin-dsl.yml

@@ -0,0 +1,37 @@
+ # Make sure the action works on a clean machine without building
+name: integration-testing-kotlin-dsl
+
+on:
+  pull_request:
+  push:
+  workflow_dispatch:
+
+env:
+  CACHE_KEY_PREFIX: ${{github.workflow}}#${{github.run_number}}-
+
+jobs:
+  # Use kotlin-dsl project to verify caching of generated jars and compiled scripts
+  seed-build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@v2
+    - name: Build kotlin-dsl project
+      uses: ./
+      with:
+        build-root-directory: __tests__/samples/kotlin-dsl
+        arguments: test
+
+  # Check that the build can run --offline
+  verify-build:
+    needs: seed-build
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@v2
+    - name: Build kotlin-dsl project
+      uses: ./
+      with:
+        build-root-directory: __tests__/samples/kotlin-dsl
+        arguments: test --offline
+        gradle-cache-enabled: read-only

.github/workflows/integration-testing.yml

@@ -1,5 +1,5 @@
- # Make sure the action works on a clean machine without building
-name: prod
+ # Verify the functionality works as expected
+name: integration-testing
 
 on:
   pull_request:
@@ -119,50 +119,3 @@ jobs:
         build-root-directory: __tests__/samples/basic
         arguments: test --configuration-cache
         gradle-cache-enabled: read-only
-
-  # Use kotlin-dsl project to verify caching of generated jars and compiled scripts
-  # At this stage there is no automated verification of this caching: eyeball the build scan to verify
-  seed-kotlin-dsl-build:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout sources
-      uses: actions/checkout@v2
-    - name: Build kotlin-dsl project
-      uses: ./
-      with:
-        build-root-directory: __tests__/samples/kotlin-dsl
-        arguments: test
-
-  verify-kotlin-dsl-build:
-    needs: seed-kotlin-dsl-build
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout sources
-      uses: actions/checkout@v2
-    - name: Build kotlin-dsl project
-      uses: ./
-      with:
-        build-root-directory: __tests__/samples/kotlin-dsl
-        arguments: test
-        gradle-cache-enabled: read-only
-
-  # These build invocations are informational only, and are expected to fail
-  failures: 
-    needs: seed-build
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout sources
-      uses: actions/checkout@v2
-    - name: Test wrapper missing
-      uses: ./
-      continue-on-error: true
-      with:
-        build-root-directory: __tests__/samples/no-wrapper
-        arguments: help
-    - name: Test bad config value
-      uses: ./
-      continue-on-error: true
-      with:
-        build-root-directory: __tests__/samples/no-wrapper
-        arguments: help
-        gradle-cache-enabled: no