Rename runwasm to runwasi.

tests/run.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -ueo pipefail
 
-runwasm="$1"
+runwasi="$1"
 
 cd compile-only
 for options in -O0 -O2 "-O2 -flto"; do
@@ -22,11 +22,11 @@ for options in -O0 -O2 "-O2 -flto"; do
     echo "===== Testing with $options ====="
     for file in *.c; do
         echo "Testing $file..."
-        ../testcase.sh "$runwasm" clang "$options" "$file"
+        ../testcase.sh "$runwasi" clang "$options" "$file"
     done
     for file in *.cc; do
         echo "Testing $file..."
-        ../testcase.sh "$runwasm" clang++ "$options" "$file"
+        ../testcase.sh "$runwasi" clang++ "$options" "$file"
     done
 done
 cd - >/dev/null

tests/testcase.sh

@@ -4,7 +4,7 @@ set -ueo pipefail
 # A simple testcase runner that runs a command, captures all its command-line
 # outputs, and compares them against expected outputs.
 
-runwasm="$1"
+runwasi="$1"
 clang="$2"
 options="$3"
 input="$4"
@@ -29,7 +29,7 @@ else
 fi
 
 exit_status=0
-"$runwasm" "$wasm" \
+"$runwasi" "$wasm" \
     < "$stdin" \
     > "$stdout_observed" \
     2> "$stderr_observed" \