Improve one of the error messages from testrunner.tcl.

FossilOrigin-Name: 233155c174575fa99b34030c1936bc2b04489417f4d5223f18cdb3c8fc274a56

manifest

@@ -1,5 +1,5 @@
-C Minor\stweaks\sto\sthe\stestrunner\sdocumentation.
-D 2024-03-13T11:29:04.049
+C Improve\sone\sof\sthe\serror\smessages\sfrom\stestrunner.tcl.
+D 2024-03-13T11:46:23.016
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -1687,7 +1687,7 @@ F test/temptable2.test 76821347810ecc88203e6ef0dd6897b6036ac788e9dd3e6b04fd4d163
 F test/temptable3.test d11a0974e52b347e45ee54ef1923c91ed91e4637
 F test/temptrigger.test 38f0ca479b1822d3117069e014daabcaacefffcc
 F test/tester.tcl fe617b88c7eb08bdf983d2aaa31c20fbf439eee7b8e0d61ca636fcd0c305bbbf
-F test/testrunner.tcl acc25035b127471961ff8f77b829dc51a9615b1016bb874a339733b4c0881f30
+F test/testrunner.tcl cdbfe4b24952a411fcc2cb48331d10ece650b6a3108bd05ae890304cfed93fed
 F test/testrunner_data.tcl 2f94974e5e3a56af880be72f7a7fd239aa9d4ecf978625435fcc698319c927fa
 F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
 F test/thread002.test c24c83408e35ba5a952a3638b7ac03ccdf1ce4409289c54a050ac4c5f1de7502
@@ -2177,8 +2177,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 1f5bfc6a9030f9905d258c5b665b9ff27efc7da71556c912ab3dce0f8f5aa8da
-R f1d87f081beab0bb7e2677dcc20d7af9
+P 3128b98d2656c7f23f6071c173f96329c7bdc49cd641050fbb7b105b810ba7c7
+R b30ace34515f0911b2a0db585efbc51d
 U drh
-Z 7d008234f4102bc09ae556028dcb2b0f
+Z 4fb6ed0f5ce1c12c4ccfa1c6192fc974
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-3128b98d2656c7f23f6071c173f96329c7bdc49cd641050fbb7b105b810ba7c7
+233155c174575fa99b34030c1936bc2b04489417f4d5223f18cdb3c8fc274a56

test/testrunner.tcl

@@ -848,7 +848,7 @@ proc add_devtest_jobs {lBld patternlist} {
 #
 proc must_be_testfixture {} {
   if {[lsearch [info commands] sqlite3_soft_heap_limit]<0} {
-    puts "Use ./testfixture, not tclsh, for these arguments"
+    puts "Use testfixture, not tclsh, for these arguments."
     exit 1
   }
 }