Adjust shell scripts to properly get bash from environment

Changed files
+3 -3
tests
+1 -1
ci.sh
··· 1 - #!/bin/bash 2 set -ex 3 4 ./fmt.sh -- --check
··· 1 + #!/usr/bin/env bash 2 set -ex 3 4 ./fmt.sh -- --check
+1 -1
renamesyms.sh
··· 1 - #!/bin/bash 2 3 set -e 4
··· 1 + #!/usr/bin/env bash 2 3 set -e 4
+1 -1
tests/run_tests.sh
··· 1 - #!/usr/bin/bash 2 3 # Binaries that should generate the same output every time 4 EXPECT_NAMES=(\
··· 1 + #!/usr/bin/env bash 2 3 # Binaries that should generate the same output every time 4 EXPECT_NAMES=(\