test(bigtable): quote only the schema bundle ID in ExecuteQueryIT

Modify the allTypes test in ExecuteQueryIT to only quote the schema bundle ID instead of the whole message in the CAST expression.

Fixes: b/526667198

Author: hopha95

java-bigtable/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/it/ExecuteQueryIT.java

@@ -211,10 +211,10 @@ public void allTypes() throws Exception {
                     + " as mapCol, "
                     + " CAST(b'\022\005Lover' AS `"
                     + schemaBundleId
-                    + ".com.google.cloud.bigtable.data.v2.test.Album`) as protoCol, CAST('JAZZ' AS"
+                    + "`.com.google.cloud.bigtable.data.v2.test.Album) as protoCol, CAST('JAZZ' AS"
                     + " `"
                     + schemaBundleId
-                    + ".com.google.cloud.bigtable.data.v2.test.Genre`) as enumCol FROM `"
+                    + "`.com.google.cloud.bigtable.data.v2.test.Genre) as enumCol FROM `"
                     + tableId
                     + "` WHERE _key='"
                     + uniquePrefix