Fix tests.

Author: afoucret

docs/reference/query-languages/esql/kibana/definition/functions/text_embedding.json

@@ -303,6 +303,10 @@ public final void test() throws Throwable {
                 "can't use KQL function in csv tests",
                 testCase.requiredCapabilities.contains(EsqlCapabilities.Cap.KQL_FUNCTION.capabilityName())
             );
+            assumeFalse(
+                "can't use TEXT_EMBEDDING function in csv tests",
+                testCase.requiredCapabilities.contains(EsqlCapabilities.Cap.TEXT_EMBEDDING_FUNCTION.capabilityName())
+            );
             assumeFalse(
                 "can't use KNN function in csv tests",
                 testCase.requiredCapabilities.contains(EsqlCapabilities.Cap.KNN_FUNCTION_V5.capabilityName())