ci(java): restrict presubmit samples ITs to only snapshot (#281)

This PR was generated using Autosynth. 🌈 Synth log will be available here: https://source.cloud.google.com/results/invocations/fbbe40e0-e2ab-4acf-9ad7-1fe4653b43d5/targets - [ ] To automatically regenerate this PR, check this box. Source-Link: googleapis/synthtool@27e0e91

Author: yoshi-automation

.kokoro/build.sh

@@ -69,9 +69,16 @@ integration)
  RETURN_CODE=$?
  ;;
 samples)
- if [[ -f samples/pom.xml ]]
+ SAMPLES_DIR=samples
+ # only run ITs in snapshot/ on presubmit PRs. run ITs in all 3 samples/ subdirectories otherwise.
+ if [[ ! -z ${KOKORO_GITHUB_PULL_REQUEST_NUMBER} ]]
  then
- pushd samples
+ SAMPLES_DIR=samples/snapshot
+ fi
+
+ if [[ -f ${SAMPLES_DIR}/pom.xml ]]
+ then
+ pushd {SAMPLES_DIR}
  mvn -B \
  -Penable-samples \
  -DtrimStackTrace=false \

synth.metadata

@@ -4,7 +4,7 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-datalabeling.git",
- "sha": "1e957ec1d7c01ce58aa6459a01ebbc068d8fc4eb"
+ "sha": "897895cf7f6fbc0f5e1a01a70ea38263d78ef75f"
  }
  },
  {
@@ -19,7 +19,7 @@
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "b65ef07d99946d23e900ef2cc490274a16edd336"
+ "sha": "27e0e916cbfdb3d5ff6639b686cc04f78a0b0386"
  }
  }
  ],