retail: some tests failing, blocking PRs (java)

## In which file did you encounter the issue?

* retail/interactive-tutorials/src/test/java/search/SearchWithBoostSpecTest.java
* retail/interactive-tutorials/src/test/java/search/SearchWithFacetSpecTest.java
* retail/interactive-tutorials/src/test/java/search/SearchWithFilteringTest.java

## Did you change the file? If so, how?

Comments only

## Describe the issue

https://btx.cloud.google.com/invocations/e2f00054-73d9-41e9-a59a-10f4ab36efb8/log

```
cd retail/interactive-tutorials
mvn --quiet --batch-mode --fail-at-end clean verify \
-Dfile.encoding="UTF-8" \
-Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn \
-Dmaven.test.redirectTestOutputToFile=true \
-Dbigtable.projectID="java-docs-samples-testing" \
-Dbigtable.instanceID=instance
[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.24 s <<< FAILURE! - in search.SearchWithFacetSpecTest
[ERROR] search.SearchWithFacetSpecTest.testOutput Time elapsed: 0.238 s <<< FAILURE!
expected to contain:
Search response
but was:
Search request: placement: "projects/java-docs-samples-testing/locations/global/catalogs/default_catalog/placements/default_search"
query: "Tee"
visitor_id: "80a7ee32-54e7-448d-b540-aba76b2feef3"
page_size: 10
facet_specs {
facet_key {
key: "colorFamilies"
}
}

The search operation returned no matching results.

at search.SearchWithFacetSpecTest.testOutput(SearchWithFacetSpecTest.java:57)

[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.056 s <<< FAILURE! - in search.SearchWithBoostSpecTest
[ERROR] search.SearchWithBoostSpecTest.testOutput Time elapsed: 0.054 s <<< FAILURE!
expected to contain:
Search response
but was:
Search request: placement: "projects/java-docs-samples-testing/locations/global/catalogs/default_catalog/placements/default_search"
query: "Tee"
visitor_id: "2cf6e5fa-5954-420e-99b3-9a2fa16e8025"
page_size: 10
boost_spec {
condition_boost_specs {
condition: "(colorFamilies: ANY(\"Blue\"))"
}
}

The search operation returned no matching results.

at search.SearchWithBoostSpecTest.testOutput(SearchWithBoostSpecTest.java:57)

[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.044 s <<< FAILURE! - in search.SearchWithFilteringTest
[ERROR] search.SearchWithFilteringTest.testOutput Time elapsed: 0.042 s <<< FAILURE!
expected to contain:
Search response
but was:
Search request: placement: "projects/java-docs-samples-testing/locations/global/catalogs/default_catalog/placements/default_search"
query: "Tee"
visitor_id: "601d2cb1-74ec-445f-8827-4d5edd12632a"
page_size: 10
filter: "(colorFamilies: ANY(\"Black\"))"

The search operation returned no matching results.

at search.SearchWithFilteringTest.testOutput(SearchWithFilteringTest.java:58)

[ERROR] Failures:
[ERROR] SearchWithBoostSpecTest.testOutput:57 expected to contain:
Search response
but was:
Search request: placement: "projects/java-docs-samples-testing/locations/global/catalogs/default_catalog/placements/default_search"
query: "Tee"
visitor_id: "2cf6e5fa-5954-420e-99b3-9a2fa16e8025"
page_size: 10
boost_spec {
condition_boost_specs {
condition: "(colorFamilies: ANY(\"Blue\"))"
}
}

The search operation returned no matching results.

[ERROR] SearchWithFacetSpecTest.testOutput:57 expected to contain:
Search response
but was:
Search request: placement: "projects/java-docs-samples-testing/locations/global/catalogs/default_catalog/placements/default_search"
query: "Tee"
visitor_id: "80a7ee32-54e7-448d-b540-aba76b2feef3"
page_size: 10
facet_specs {
facet_key {
key: "colorFamilies"
}
}

The search operation returned no matching results.

[ERROR] SearchWithFilteringTest.testOutput:58 expected to contain:
Search response
but was:
Search request: placement: "projects/java-docs-samples-testing/locations/global/catalogs/default_catalog/placements/default_search"
query: "Tee"
visitor_id: "601d2cb1-74ec-445f-8827-4d5edd12632a"
page_size: 10
filter: "(colorFamilies: ANY(\"Black\"))"

The search operation returned no matching results.

```

All tests in the product folder are run when a sample is changed. This is blocking the following PRs:

* #10110
* #10111
* #10112
* #10113
* #10114
* #10120
* #10121
* #10122
* #10123
* #10124
* #10125
* #10126
* #10127
* #10128

This issue serves as a reference for use when disabling these failing tests to unblock these PRs.

See similar issue in Node.JS: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/issues/4136