refactor(tests): convert junit4 based testcases to junit5 and clean up in echo

echo-api-tck/echo-api-tck.gradle

@@ -6,6 +6,5 @@ dependencies {
   api("org.springframework.boot:spring-boot-starter-test")
   api("dev.minutest:minutest")
 
-  testRuntimeOnly("org.junit.platform:junit-platform-launcher")
   testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
 }

echo-pipelinetriggers/echo-pipelinetriggers.gradle

@@ -49,5 +49,4 @@ dependencies {
   testImplementation "org.assertj:assertj-core"
 
   testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine"
-  testRuntimeOnly "org.junit.vintage:junit-vintage-engine"
 }

echo-plugins-test/echo-plugins-test.gradle

@@ -10,6 +10,5 @@ dependencies {
   testImplementation("io.spinnaker.kork:kork-plugins")
   testImplementation("io.spinnaker.kork:kork-plugins-tck")
 
-  testRuntimeOnly("org.junit.platform:junit-platform-launcher")
   testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
 }

echo-telemetry/src/test/kotlin/com/netflix/spinnaker/echo/telemetry/ExecutionDataProviderTest.kt

@@ -23,7 +23,7 @@ import com.netflix.spinnaker.kork.proto.stats.CloudProvider
 import com.netflix.spinnaker.kork.proto.stats.Event as StatsEvent
 import com.netflix.spinnaker.kork.proto.stats.Execution
 import com.netflix.spinnaker.kork.proto.stats.Status
-import org.junit.Assume.assumeTrue
+import org.junit.jupiter.api.Assumptions.assumeTrue
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.params.ParameterizedTest
 import org.junit.jupiter.params.provider.EnumSource

echo-webhooks/echo-webhooks.gradle

@@ -28,6 +28,4 @@ dependencies {
   testImplementation "org.assertj:assertj-core"
 
   testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine"
-  testRuntimeOnly "org.junit.platform:junit-platform-launcher"
-  testRuntimeOnly "org.junit.vintage:junit-vintage-engine"
 }