ci: Remove test retries (#1877)

Author: alarso16

scripts/build_test.sh

@@ -1,8 +1,6 @@
 #!/usr/bin/env bash
 
-set -o errexit
-set -o nounset
-set -o pipefail
+set -euo pipefail
 # TODO(marun) Ensure the working directory is the repository root or a non-canonical set of tests may be executed
 
 # Root directory
@@ -22,38 +20,5 @@ if [[ -n "${NO_RACE:-}" ]]; then
     race=""
 fi
 
-# MAX_RUNS bounds the attempts to retry the tests before giving up
-# This is useful for flaky tests
-MAX_RUNS=4
-for ((i = 1; i <= MAX_RUNS; i++));
-do
-    # shellcheck disable=SC2046
-    go test -shuffle=on ${race:-} -timeout="${TIMEOUT:-600s}" -coverprofile=coverage.out -covermode=atomic "$@" $(go list ./... | grep -v github.com/ava-labs/subnet-evm/tests) | tee test.out || command_status=$?
-
-    # If the test passed, exit
-    if [[ ${command_status:-0} == 0 ]]; then
-        rm test.out
-        exit 0
-    else 
-        unset command_status # Clear the error code for the next run
-    fi
-
-    # If the test failed, print the output
-    unexpected_failures=$(
-        # First grep pattern corresponds to test failures, second pattern corresponds to test panics due to timeouts
-        (grep "^--- FAIL" test.out | awk '{print $3}' || grep -E '^\s+Test.+ \(' test.out | awk '{print $1}') |
-        sort -u | comm -23 -  <(sed 's/\r$//' ./scripts/known_flakes.txt)
-    )
-    if [ -n "${unexpected_failures}" ]; then
-        echo "Unexpected test failures: ${unexpected_failures}"
-        exit 1
-    fi
-
-    # Note the absence of unexpected failures cannot be indicative that we only need to run the tests that failed,
-    # for example a test may panic and cause subsequent tests in that package to not run.
-    # So we loop here.
-    echo "Test run $i failed with known flakes, retrying..."
-done
-
-# If we reach here, we have failed all retries
-exit 1
+# shellcheck disable=SC2046
+go test -shuffle=on ${race:-} -timeout="${TIMEOUT:-600s}" -coverprofile=coverage.out -covermode=atomic "$@" $(go list ./... | grep -v github.com/ava-labs/subnet-evm/tests)