Avoid use of the term "sanity test" in icache UVM testbench

dv/uvm/icache/dv/env/seq_lib/ibex_icache_combo_vseq.sv

@@ -20,7 +20,7 @@ class ibex_icache_combo_vseq
   // "ibex_icache_oldval_vseq": that sequence is for a specific test, which has a slightly different
   // checker.
   string seq_names[] = {"ibex_icache_back_line_vseq",
-                        "ibex_icache_base_vseq", // for sanity test
+                        "ibex_icache_base_vseq", // for smoke test
                         "ibex_icache_caching_vseq",
                         "ibex_icache_ecc_vseq",
                         "ibex_icache_invalidation_vseq",

dv/uvm/icache/dv/ibex_icache_mem_agent/seq_lib/ibex_icache_mem_resp_seq.sv

@@ -60,8 +60,8 @@ class ibex_icache_mem_resp_seq extends ibex_icache_mem_base_seq;
         take_gnt(resp_item, req_item);
       end
 
-      // Get and drop the request item now that we've dealt with it. As a sanity check, make sure
-      // that the two items match.
+      // Get and drop the request item now that we've dealt with it. To check that nothing has gone
+      // wrong, make sure that the two items match.
       p_sequencer.request_fifo.get_peek_export.get(req_item2);
       `DV_CHECK_EQ_FATAL(req_item, req_item2)
     end

dv/uvm/icache/dv/ibex_icache_sim_cfg.hjson

@@ -57,7 +57,7 @@
   // List of test specifications.
   tests: [
     {
-      name: ibex_icache_sanity
+      name: ibex_icache_smoke
       uvm_test_seq: ibex_icache_base_vseq
     }
 
@@ -112,7 +112,7 @@
   regressions: [
     {
       name: smoke
-      tests: ["ibex_icache_sanity",
+      tests: ["ibex_icache_smoke",
               "ibex_icache_passthru",
               "ibex_icache_caching",
               "ibex_icache_invalidation",