Fix warnings about constructions that have no effect

.circleci/soltest_all.sh

@@ -44,15 +44,12 @@ then
     else
         export CIRCLE_NODE_INDEX=$((CIRCLE_NODE_INDEX - 1))
         export CIRCLE_NODE_TOTAL=$((CIRCLE_NODE_TOTAL - 1))
-        RUN_STEPS=$(seq 2 "$STEPS" | circleci tests split)
+        RUN_STEPS=$(seq 2 "$STEPS" | circleci tests split | xargs)
     fi
 else
-    RUN_STEPS=$(seq "$STEPS")
+    RUN_STEPS=$(seq "$STEPS" | xargs)
 fi
 
-# turn newlines into spaces
-RUN_STEPS=$(echo $RUN_STEPS)
-
 echo "Running steps $RUN_STEPS..."
 
 STEP=1

scripts/ASTImportTest.sh

@@ -61,9 +61,9 @@ function testImportExportEquivalence {
             then
                 echo -e "ERROR: JSONS differ for $1: \n $DIFF \n"
                 echo "Expected:"
-                echo "$(cat ./expected.json)"
+                cat ./expected.json
                 echo "Obtained:"
-                echo "$(cat ./obtained.json)"
+                cat ./obtained.json
             else
                 # Use user supplied diff view binary
                 $DIFFVIEW expected.json obtained.json