9 string references to render_cache in Drupal 8

AssertViewsCacheTagsTrait::assertViewsCacheTags in core/modules/views/src/Tests/AssertViewsCacheTagsTrait.php

Asserts a view's result & render cache items' cache tags.

AssertViewsCacheTagsTrait::assertViewsCacheTagsFromStaticRenderArray in core/modules/views/src/Tests/AssertViewsCacheTagsTrait.php

Asserts a view's result & render cache items' cache tags.

CacheTagTest::getRenderCache in core/modules/views/tests/src/Functional/Plugin/CacheTagTest.php

Gets the render cache for a given view.

CacheWebTest::testCacheOutputOnPage in core/modules/views/tests/src/Functional/Plugin/CacheWebTest.php

Tests the output caching on an actual page.

RendererTestBase::setUp in core/tests/Drupal/Tests/Core/Render/RendererTestBase.php

RowRenderCacheTest::doTestRenderedOutput in core/modules/views/tests/src/Kernel/Plugin/RowRenderCacheTest.php

Check whether the rendered output matches expectations.

RowRenderCacheTest::testNoCaching in core/modules/views/tests/src/Kernel/Plugin/RowRenderCacheTest.php

Test that rows are not cached when the none cache plugin is used.

SortRandomTest::testRandomOrderingWithRenderCaching in core/modules/views/tests/src/Kernel/Handler/SortRandomTest.php

Tests random ordering with tags based caching.

StyleSerializerTest::testRestRenderCaching in core/modules/rest/tests/src/Functional/Views/StyleSerializerTest.php

Tests REST export with views render caching enabled.