diff --git a/src/nimble.nim b/src/nimble.nim
index 87b0996..582912b 100644
--- a/src/nimble.nim
+++ b/src/nimble.nim
@@ -988,12 +988,14 @@ proc develop(options: Options) =
       developFromDir(downloadDir / subdir, options)
 
 proc test(options: Options) =
-  ## Executes all tests.
+  ## Executes all tests starting with 't' in the ``tests`` directory.
+  ## Subdirectories are not walked.
   var files = toSeq(walkDir(getCurrentDir() / "tests"))
   files.sort((a, b) => cmp(a.path, b.path))
 
   for file in files:
-    if file.path.endsWith(".nim") and file.kind in {pcFile, pcLinkToFile}:
+    let (_, name, ext) = file.path.splitFile()
+    if ext == ".nim" and name[0] == 't' and file.kind in {pcFile, pcLinkToFile}:
       var optsCopy = options.briefClone()
       optsCopy.action.typ = actionCompile
       optsCopy.action.file = file.path
diff --git a/tests/testCommand/testsFail/tests/a.nim b/tests/testCommand/testsFail/tests/t1.nim
similarity index 100%
rename from tests/testCommand/testsFail/tests/a.nim
rename to tests/testCommand/testsFail/tests/t1.nim
diff --git a/tests/testCommand/testsFail/tests/b.nim b/tests/testCommand/testsFail/tests/t2.nim
similarity index 100%
rename from tests/testCommand/testsFail/tests/b.nim
rename to tests/testCommand/testsFail/tests/t2.nim
diff --git a/tests/testCommand/testsFail/tests/c.nim b/tests/testCommand/testsFail/tests/t3.nim
similarity index 100%
rename from tests/testCommand/testsFail/tests/c.nim
rename to tests/testCommand/testsFail/tests/t3.nim
diff --git a/tests/testCommand/testsIgnore/testing123.nim b/tests/testCommand/testsIgnore/testing123.nim
new file mode 100644
index 0000000..2c96a26
--- /dev/null
+++ b/tests/testCommand/testsIgnore/testing123.nim
@@ -0,0 +1,4 @@
+
+proc myFunc*() =
+    echo "Executing my func"
+
diff --git a/tests/testCommand/testsIgnore/testing123.nimble b/tests/testCommand/testsIgnore/testing123.nimble
new file mode 100644
index 0000000..00e43bf
--- /dev/null
+++ b/tests/testCommand/testsIgnore/testing123.nimble
@@ -0,0 +1,4 @@
+version       = "0.1.0"
+author        = "John Doe"
+description   = "Nimble Test"
+license       = "BSD"
diff --git a/tests/testCommand/testsIgnore/tests/foobar/tignored.nim b/tests/testCommand/testsIgnore/tests/foobar/tignored.nim
new file mode 100644
index 0000000..9d61174
--- /dev/null
+++ b/tests/testCommand/testsIgnore/tests/foobar/tignored.nim
@@ -0,0 +1 @@
+echo "Should be ignored"
diff --git a/tests/testCommand/testsIgnore/tests/ignore.nim b/tests/testCommand/testsIgnore/tests/ignore.nim
new file mode 100644
index 0000000..b63fe4d
--- /dev/null
+++ b/tests/testCommand/testsIgnore/tests/ignore.nim
@@ -0,0 +1 @@
+echo "Should be ignored"
\ No newline at end of file
diff --git a/tests/testCommand/testsIgnore/tests/taccept.nim b/tests/testCommand/testsIgnore/tests/taccept.nim
new file mode 100644
index 0000000..e020a08
--- /dev/null
+++ b/tests/testCommand/testsIgnore/tests/taccept.nim
@@ -0,0 +1,7 @@
+import testing123, unittest
+
+test "can accept":
+  echo "First test"
+  myFunc()
+
+
diff --git a/tests/testCommand/testsPass/tests/one.nim b/tests/testCommand/testsPass/tests/t1.nim
similarity index 100%
rename from tests/testCommand/testsPass/tests/one.nim
rename to tests/testCommand/testsPass/tests/t1.nim
diff --git a/tests/testCommand/testsPass/tests/two.nim b/tests/testCommand/testsPass/tests/t2.nim
similarity index 100%
rename from tests/testCommand/testsPass/tests/two.nim
rename to tests/testCommand/testsPass/tests/t2.nim
diff --git a/tests/testCommand/testsPass/tests/three.nim b/tests/testCommand/testsPass/tests/t3.nim
similarity index 100%
rename from tests/testCommand/testsPass/tests/three.nim
rename to tests/testCommand/testsPass/tests/t3.nim
diff --git a/tests/tester.nim b/tests/tester.nim
index efcb619..9ac57df 100644
--- a/tests/tester.nim
+++ b/tests/tester.nim
@@ -38,7 +38,7 @@ proc execNimble(args: varargs[string]): tuple[output: string, exitCode: int] =
 
   let path = getCurrentDir().parentDir() / "src"
 
-  let cmd = "PATH=" & path & ":$PATH " & quotedArgs.join(" ")
+  let cmd = "DYLD_LIBRARY_PATH=/usr/local/opt/openssl@1.1/lib PATH=" & path & ":$PATH " & quotedArgs.join(" ")
   result = execCmdEx(cmd)
   checkpoint(result.output)
 
@@ -682,6 +682,13 @@ suite "test command":
       check exitCode == QuitSuccess
       check outp.processOutput.inLines("overriden")
 
+  test "certain files are ignored":
+    cd "testCommand/testsIgnore":
+      let (outp, exitCode) = execNimble("test")
+      check exitCode == QuitSuccess
+      check(not outp.processOutput.inLines("Should be ignored"))
+      check outp.processOutput.inLines("First test")
+
 suite "check command":
   test "can succeed package":
     cd "binaryPackage/v1":