Fix many linter errors that showed up upon upgrading tsutil

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/sol-compiler/test/compiler_test.ts b/packages/sol-compiler/test/compiler_test.ts
index e41a268f2..464aa8bb6 100644
--- a/packages/sol-compiler/test/compiler_test.ts
+++ b/packages/sol-compiler/test/compiler_test.ts
@@ -80,7 +80,7 @@ describe('#Compiler', function(): void {
         it('recompilation should update artifact when source has changed', async () => {
             // append some meaningless data to the contract, so that its hash
             // will change, so that the compiler will decide to recompile it.
-            fsWrapper.appendFileAsync(join(contractsDir, `${contract}.sol`), ' ');
+            await fsWrapper.appendFileAsync(join(contractsDir, `${contract}.sol`), ' ');
 
             await new Compiler(compilerOpts).compileAsync();