diff --git a/CHANGES.md b/CHANGES.md
index 6bff393..0f427ac 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@
 - Dependencies (extras): Remove "ngr", add "notebook", link "test" to "testing"
 - ngr: Gradle test runner failed to invoke `./gradlew install` because such a
   target did not exist.
+- ngr: Fix Gradle test runner by only conditionally invoking `gradle wrapper`
  
 ## 2023-11-06 v0.0.3
 - ngr: Fix `contextlib.chdir` only available on Python 3.11 and newer
diff --git a/pueblo/ngr/runner.py b/pueblo/ngr/runner.py
index c5dc58c..17b96be 100644
--- a/pueblo/ngr/runner.py
+++ b/pueblo/ngr/runner.py
@@ -235,7 +235,7 @@ def install(self) -> None:
         if self.has_pom_xml:
             run_command("mvn install")
         elif self.has_gradle_files:
-            if shutil.which("gradle"):
+            if not (self.path / "gradlew").exists():
                 run_command("gradle wrapper")
         else:
             raise NotImplementedError("Unable to invoke target: install")
@@ -249,7 +249,7 @@ def test(self) -> None:
         elif self.has_pom_xml:
             run_command("mvn test")
         elif self.has_gradle_files:
-            run_command("./gradlew check")
+            run_command("./gradlew check --info")
         else:
             raise NotImplementedError("Unable to invoke target: test")
 
diff --git a/tests/ngr/java-gradle/.gitignore b/tests/ngr/java-gradle-nowrapper/.gitignore
similarity index 100%
rename from tests/ngr/java-gradle/.gitignore
rename to tests/ngr/java-gradle-nowrapper/.gitignore
diff --git a/tests/ngr/java-gradle/build.gradle b/tests/ngr/java-gradle-nowrapper/build.gradle
similarity index 100%
rename from tests/ngr/java-gradle/build.gradle
rename to tests/ngr/java-gradle-nowrapper/build.gradle
diff --git a/tests/ngr/java-gradle-wrapper/.gitignore b/tests/ngr/java-gradle-wrapper/.gitignore
new file mode 100644
index 0000000..12eb6a9
--- /dev/null
+++ b/tests/ngr/java-gradle-wrapper/.gitignore
@@ -0,0 +1,2 @@
+/.gradle
+/build
diff --git a/tests/ngr/java-gradle-wrapper/build.gradle b/tests/ngr/java-gradle-wrapper/build.gradle
new file mode 100644
index 0000000..da238cb
--- /dev/null
+++ b/tests/ngr/java-gradle-wrapper/build.gradle
@@ -0,0 +1,43 @@
+/**
+ * Test project for `pueblo.ngr`.
+ */
+
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+}
+
+plugins {
+    id 'application'
+    id 'java'
+}
+
+repositories {
+    mavenCentral()
+    mavenLocal()
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.13.2'
+}
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
+}
+
+jar {
+    archiveBaseName = 'pyveci-ngr-testdrive'
+    archiveVersion = '0.0.1-SNAPSHOT'
+}
+
+application {
+}
+
+check {
+}
+
+processResources.destinationDir = compileJava.destinationDir
+compileJava.dependsOn processResources
diff --git a/tests/ngr/java-gradle-wrapper/gradle/wrapper/gradle-wrapper.jar b/tests/ngr/java-gradle-wrapper/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..249e583
Binary files /dev/null and b/tests/ngr/java-gradle-wrapper/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/tests/ngr/java-gradle-wrapper/gradle/wrapper/gradle-wrapper.properties b/tests/ngr/java-gradle-wrapper/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..070cb70
--- /dev/null
+++ b/tests/ngr/java-gradle-wrapper/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/tests/ngr/java-gradle/gradlew b/tests/ngr/java-gradle-wrapper/gradlew
similarity index 100%
rename from tests/ngr/java-gradle/gradlew
rename to tests/ngr/java-gradle-wrapper/gradlew