[Scala] test Scala clients, servers in GitHub workflow (#11592)

* add samples/server/petstore/spring-boot-nullable-set to github workflow

* add github workflow to test scala clients and servers

* trigger build

* remove module

* trigger build

* test with jdk8

* trigger build

* test with jdk11

* clean up pom.xml

* remove groovy from pom.xml

* update samples

.github/workflows/samples-scala.yaml

@@ -0,0 +1,44 @@
+name: Samples Scala
+
+on:
+  push:
+    paths:
+      - 'samples/client/petstore/scala**'
+      - 'samples/server/petstore/scala**'
+  pull_request:
+    paths:
+      - 'samples/client/petstore/scala**'
+      - 'samples/server/petstore/scala**'
+jobs:
+  build:
+    name: Build Scala client, servers
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        sample:
+          # clients
+          - samples/client/petstore/scalaz
+          # servers
+          - samples/server/petstore/scala-lagom-server
+          - samples/server/petstore/scala-play-server
+          - samples/server/petstore/scala-akka-http-server
+          - samples/server/petstore/scalatra
+          - samples/server/petstore/scala-finch # cannot be tested with jdk11
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: 8
+      - name: Cache maven dependencies
+        uses: actions/cache@v2.1.7
+        env:
+          cache-name: maven-repository
+        with:
+          path: |
+            ~/.ivy2
+          key: ${{ runner.os }}-${{ github.job }}-${{ env.cache-name }}-${{ hashFiles('**/build.sbt') }}
+      - name: Build and test
+        working-directory: ${{ matrix.sample }}
+        run: sbt -v +test

pom.xml

@@ -1084,18 +1084,6 @@
                 <module>samples/server/petstore/springboot-virtualan</module>
             </modules>
         </profile>
-        <profile>
-            <id>scalatra-server</id>
-            <activation>
-                <property>
-                    <name>env</name>
-                    <value>java</value>
-                </property>
-            </activation>
-            <modules>
-                <module>samples/server/petstore/scalatra</module>
-            </modules>
-        </profile>
         <profile>
             <id>java-inflector</id>
             <activation>
@@ -1228,11 +1216,6 @@
                 <module>samples/server/petstore/jaxrs-cxf-cdi-default-value</module>
                 <module>samples/server/petstore/jaxrs-cxf-non-spring-app</module>
                 <module>samples/server/petstore/java-msf4j</module>
-                <module>samples/server/petstore/scala-lagom-server</module>
-                <module>samples/server/petstore/scala-play-server</module>
-                <module>samples/server/petstore/scala-akka-http-server</module>
-                <module>samples/server/petstore/scalatra</module>
-                <module>samples/server/petstore/scala-finch</module>
             </modules>
         </profile>
         <profile>
@@ -1318,12 +1301,9 @@
             <modules>
                 <!-- clients -->
                 <!-- test java-related projects -->
-                <!-- comment out below due to gradle no longer installed in circleci
-                <module>samples/client/petstore/groovy</module> -->
                 <module>samples/client/petstore/scala-akka</module>
                 <module>samples/client/petstore/scala-sttp</module>
                 <module>samples/client/petstore/scala-httpclient</module>
-                <module>samples/client/petstore/scalaz</module>
                 <module>samples/client/petstore/clojure</module>
                 <module>samples/client/petstore/java/feign</module>
                 <module>samples/client/petstore/java/jersey1</module>