tests: Fix up use of absolute paths for false/true/echo etc.

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

2 files changed, 32 insertions, 32 deletions

diff --git a/subplotlib/runcmd.md b/subplotlib/runcmd.md
index d6210fb..50e41f6 100644
--- a/subplotlib/runcmd.md
+++ b/subplotlib/runcmd.md
@@ -22,8 +22,8 @@ they're verified. It uses the steps and functions from the
 command, then examine the exit code, standard output (stdout for
 short), or standard error output (stderr) of the command.
 
-The scenarios use the Unix commands `/bin/true` and `/bin/false` to
-generate exit codes, and `/bin/echo` to produce stdout. To generate
+The scenarios use the Unix commands `true` and `false` to
+generate exit codes, and `echo` to produce stdout. To generate
 stderr, they use the little helper script below.
 
 ```{#err.sh .file .sh .numberLines}
@@ -40,7 +40,7 @@ variations.
 ## Successful execution
 
 ```scenario
-when I run /bin/true
+when I run true
 then exit code is 0
 and command is successful
 ```
@@ -49,7 +49,7 @@ and command is successful
 
 ```scenario
 given a directory xyzzy
-when I run, in xyzzy, /bin/pwd
+when I run, in xyzzy, pwd
 then exit code is 0
 then command is successful
 then stdout contains "/xyzzy"
@@ -58,7 +58,7 @@ then stdout contains "/xyzzy"
 ## Failed execution
 
 ```scenario
-when I try to run /bin/false
+when I try to run false
 then exit code is not 0
 and command fails
 ```
@@ -67,7 +67,7 @@ and command fails
 
 ```scenario
 given a directory xyzzy
-when I try to run, in xyzzy, /bin/false
+when I try to run, in xyzzy, false
 then exit code is not 0
 and command fails
 ```
@@ -84,7 +84,7 @@ to the reader what's inside. Also, C-style string escapes are
 understood.
 
 ```scenario
-when I run /bin/echo hello, world
+when I run echo hello, world
 then stdout is exactly "hello, world\n"
 ```
 
@@ -102,7 +102,7 @@ Exact string comparisons are not always enough, so we can verify a
 sub-string is in output.
 
 ```scenario
-when I run /bin/echo hello, world
+when I run echo hello, world
 then stdout contains "world\n"
 and exit code is 0
 ```
@@ -122,7 +122,7 @@ regular expression. Note that the regular expression is not delimited
 and does not get any C-style string escaped decoded.
 
 ```scenario
-when I run /bin/echo hello, world
+when I run echo hello, world
 then stdout matches regex world$
 ```
 
@@ -142,7 +142,7 @@ have something we want to avoid.
 ## Check stdout is not exactly something
 
 ```scenario
-when I run /bin/echo hi
+when I run echo hi
 then stdout isn't exactly "hello, world\n"
 ```
 
@@ -157,7 +157,7 @@ then stderr isn't exactly "hello, world\n"
 ## Check stdout doesn't contain sub-string
 
 ```scenario
-when I run /bin/echo hi
+when I run echo hi
 then stdout doesn't contain "world"
 ```
 
@@ -172,7 +172,7 @@ then stderr doesn't contain "world"
 ## Check stdout doesn't match regular expression
 
 ```scenario
-when I run /bin/echo hi
+when I run echo hi
 then stdout doesn't match regex world$
 
 ```
diff --git a/subplotlib/tests/runcmd.rs b/subplotlib/tests/runcmd.rs
index f18f463..0c677ba 100644
--- a/subplotlib/tests/runcmd.rs
+++ b/subplotlib/tests/runcmd.rs
@@ -18,8 +18,8 @@ fn successful_execution() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/true"
-            &base64_decode("L2Jpbi90cnVl"),
+            // "true"
+            &base64_decode("dHJ1ZQ=="),
         )
         .args(
             // ""
@@ -62,8 +62,8 @@ fn successful_execution_in_a_sub_directory() {
             &base64_decode("eHl6enk="),
         )
         .argv0(
-            // "/bin/pwd"
-            &base64_decode("L2Jpbi9wd2Q="),
+            // "pwd"
+            &base64_decode("cHdk"),
         )
         .args(
             // ""
@@ -100,8 +100,8 @@ fn failed_execution() {
 
     let step = subplotlib::steplibrary::runcmd::try_to_run::Builder::default()
         .argv0(
-            // "/bin/false"
-            &base64_decode("L2Jpbi9mYWxzZQ=="),
+            // "false"
+            &base64_decode("ZmFsc2U="),
         )
         .args(
             // ""
@@ -144,8 +144,8 @@ fn failed_execution_in_a_sub_directory() {
             &base64_decode("eHl6enk="),
         )
         .argv0(
-            // "/bin/false"
-            &base64_decode("L2Jpbi9mYWxzZQ=="),
+            // "false"
+            &base64_decode("ZmFsc2U="),
         )
         .args(
             // ""
@@ -176,8 +176,8 @@ fn check_stdout_is_exactly_as_wanted() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/echo"
-            &base64_decode("L2Jpbi9lY2hv"),
+            // "echo"
+            &base64_decode("ZWNobw=="),
         )
         .args(
             // " hello, world"
@@ -254,8 +254,8 @@ fn check_stdout_using_sub_string_search() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/echo"
-            &base64_decode("L2Jpbi9lY2hv"),
+            // "echo"
+            &base64_decode("ZWNobw=="),
         )
         .args(
             // " hello, world"
@@ -337,8 +337,8 @@ fn check_stdout_using_regular_expressions() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/echo"
-            &base64_decode("L2Jpbi9lY2hv"),
+            // "echo"
+            &base64_decode("ZWNobw=="),
         )
         .args(
             // " hello, world"
@@ -415,8 +415,8 @@ fn check_stdout_is_not_exactly_something() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/echo"
-            &base64_decode("L2Jpbi9lY2hv"),
+            // "echo"
+            &base64_decode("ZWNobw=="),
         )
         .args(
             // " hi"
@@ -493,8 +493,8 @@ fn check_stdout_doesn_t_contain_sub_string() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/echo"
-            &base64_decode("L2Jpbi9lY2hv"),
+            // "echo"
+            &base64_decode("ZWNobw=="),
         )
         .args(
             // " hi"
@@ -571,8 +571,8 @@ fn check_stdout_doesn_t_match_regular_expression() {
 
     let step = subplotlib::steplibrary::runcmd::run::Builder::default()
         .argv0(
-            // "/bin/echo"
-            &base64_decode("L2Jpbi9lY2hv"),
+            // "echo"
+            &base64_decode("ZWNobw=="),
         )
         .args(
             // " hi"