Fix kotlin-server sample app

This adds the missing micrometer context-propagation dependency to
both build.gradle and pom.xml

Signed-off-by: Jeremy Grunert <gotteswillenwilles@gmail.com>
Signed-off-by: onobc <chris.bono@gmail.com>

Author: jgrnrt

samples/grpc-server-kotlin/build.gradle

@@ -35,6 +35,10 @@ dependencies {
 
     implementation 'org.springframework.grpc:spring-grpc-spring-boot-starter'
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
+    implementation("io.micrometer:context-propagation:1.2.0")
+    implementation 'io.grpc:grpc-services'
+    implementation "io.grpc:grpc-kotlin-stub:${kotlinStubVersion}"
+
     implementation "org.jetbrains.kotlin:kotlin-reflect"
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core'
 	implementation "io.grpc:grpc-kotlin-stub:${kotlinStubVersion}"

samples/grpc-server-kotlin/pom.xml

@@ -75,6 +75,12 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>context-propagation</artifactId>
+            <version>1.2.0</version>
+        </dependency>
+
 		<dependency>
 			<!-- for testing unix domain sockets -->
 			<groupId>io.netty</groupId>

samples/grpc-server-kotlin/src/test/kotlin/org/springframework/grpc/sample/GrpcServerApplicationTests.kt

@@ -17,11 +17,12 @@ import org.springframework.test.annotation.DirtiesContext
         "spring.grpc.server.port=0",
         "spring.grpc.client.default-channel.address=0.0.0.0:\${local.grpc.port}"
     ],
-    useMainMethod = UseMainMethod.ALWAYS
 )
 @DirtiesContext
 class GrpcServerApplicationTests {
 
+    private val log: Log = LogFactory.getLog(this.javaClass)
+
     @Autowired
     private lateinit var stub: SimpleBlockingStub
 
@@ -39,13 +40,4 @@ class GrpcServerApplicationTests {
         )
         Assertions.assertEquals("Hello ==> Alien", response.getMessage())
     }
-
-    companion object {
-        private val log: Log = LogFactory.getLog(GrpcServerApplicationTests::class.java)
-
-        @JvmStatic
-        fun main(args: Array<String>) {
-            SpringApplicationBuilder(GrpcServerApplication::class.java).run()
-        }
-    }
 }