Remove actions.preTest in favor of integrationTestProvider

By using ci-mgmt's intended solution for running integration tests in the `provider/`
directory, we get a maintained test script and avoid overloading the `actions.preTest`
hook to run tests.

Related to pulumi/ci-mgmt#1276, pulumi/ci-mgmt#1274 (comment)

.ci-mgmt.yaml

@@ -1,24 +1,14 @@
 provider: sdwan
 major-version: 0
 makeTemplate: bridged
-# TODO: Enable this once our random provider is updated with framework support
-# generate-nightly-test-workflow: true
 plugins:
   - name: std
     version: "1.6.2"
-
   - name: terraform
     version: "1.0.16"
     kind: converter
-
 team: ecosystem
 providerDefaultBranch: main
-
-actions:
-  preTest:
-    - name: Run provider tests
-      run: |
-        cd provider && go test -v -json -count=1 -cover -timeout 2h -tags=${{ matrix.language }} -parallel 4 . 2>&1 | tee /tmp/gotest.log | gotestfmt
 pulumiConvert: 1
 registryDocs: true
-
+integrationTestProvider: true

.github/workflows/test.yml

@@ -78,8 +78,9 @@ jobs:
         token: ${{ secrets.GITHUB_TOKEN }}
         version: v2.5.0
     - name: Run provider tests
-      run: |
-        cd provider && go test -v -json -count=1 -cover -timeout 2h -tags=${{ matrix.language }} -parallel 4 . 2>&1 | tee /tmp/gotest.log | gotestfmt
+      if: matrix.testTarget == 'local'
+      working-directory: provider
+      run: go test -v -count=1 -cover -timeout 2h -tags=${{ matrix.language }} -parallel 4 .
     - name: Run tests
       if: matrix.testTarget == 'local'
       run: cd examples && go test -v -count=1 -cover -timeout 2h -tags=${{ matrix.language }} -skip TestPulumiExamples -parallel 4 .