tests: adopt emit-c over decompile

share/revng/test/configuration/revng/decompilation.yml

@@ -20,9 +20,9 @@ commands:
     command: |-
       revng artifact --resume "$OUTPUT" --analyze emit-c "$INPUT" -o /dev/null
   - # Perform checks on the model
-    type: revng.legacy.decompile-to-single-file.model-check
+    type: revng.emit-c.model-check
     from:
-      - type: revng.legacy.decompile-to-single-file
+      - type: revng.emit-c
     command: |-
       revng model compare "${SOURCE}".model.yml "$INPUT/context/model.yml"
   - # Check well-formedness of decompiled C

share/revng/test/configuration/revng/runtime-segregation-tests.yml

@@ -17,7 +17,7 @@ commands:
         "${ABI_NAME}"
         "${OUTPUT}/imported_binary.yml"
         "${OUTPUT}/reference_binary.yml";
-      revng artifact decompile-to-single-file "${INPUT}/functions"
+      revng artifact emit-c-as-single-file "${INPUT}/functions"
         -m="${OUTPUT}/reference_binary.yml"
         --resume="${OUTPUT}/resume"
         -o="${OUTPUT}/decompiled.c.ptml";