Refactor older tests to use testify (#33140)

Refactor checks to use assert/require
Use require.Eventually for waiting in elastic and meilisearch tests
Use require to exit early instead of assert

modules/git/blob_test.go

@@ -17,9 +17,7 @@ func TestBlob_Data(t *testing.T) {
 	output := "file2\n"
 	bareRepo1Path := filepath.Join(testReposDir, "repo1_bare")
 	repo, err := openRepositoryWithDefaultContext(bareRepo1Path)
-	if !assert.NoError(t, err) {
-		t.Fatal()
-	}
+	require.NoError(t, err)
 	defer repo.Close()
 
 	testBlob, err := repo.GetBlob("6c493ff740f9380390d5c9ddef4af18697ac9375")