refactor: move Wasm test files to tests/all/cli_tests

Previously the inputs to `tests/all/cli_tests.rs` were contained in
`tests/wasm`. This change moves them to the more obvious
`tests/all/cli_tests` directory and updates the paths that point to
them.

tests/all/cli_tests/loop-params.wat

@@ -0,0 +1,13 @@
+  (module
+    (func (export "run") (result i32)
+      (local $i i32)
+      (i32.const 0) ;; sum
+      (i32.const 10) ;; i
+      (loop $loop (param i32 i32) (result i32)
+        (local.tee $i)
+        (i32.add) ;; sum = i + sum
+        (i32.sub (local.get $i) (i32.const 1))
+        (i32.eqz (local.tee $i))
+        (if (param i32) (result i32)
+            (then)
+            (else (local.get $i) (br $loop))))))