Update build; improve caching; improve tests

fixtures/dependency/maven-bom/kotlin/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    java
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    implementation(platform("io.micrometer:micrometer-bom:1.5.1"))
+    implementation("io.micrometer:micrometer-core")
+}

fixtures/dependency/snapshot-dynamic/groovy/build.gradle

@@ -0,0 +1,11 @@
+plugins {
+    id "java"
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    implementation "org.apache:test-SNAPSHOT1:2.0.2-SNAPSHOT"
+}

fixtures/dependency/snapshot-dynamic/kotlin/build.gradle.kts

@@ -0,0 +1,11 @@
+plugins {
+    java
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    "implementation"("org.apache:test-SNAPSHOT1:2.0.2-SNAPSHOT")
+}

fixtures/dependency/snapshot/groovy/build.gradle

@@ -3,10 +3,9 @@ plugins {
 }
 
 repositories {
-    mavenCentral()
-    maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
+    maven { url = uri("http://localhost:9999") }
 }
 
 dependencies {
-    implementation "com.squareup.okio:okio:2.5.0-SNAPSHOT"
+    implementation "org.apache:test-SNAPSHOT2:2.0.2-SNAPSHOT"
 }

fixtures/dependency/snapshot/kotlin/build.gradle.kts

@@ -3,10 +3,9 @@ plugins {
 }
 
 repositories {
-    mavenCentral()
-    maven { url = uri("https://oss.sonatype.org/content/repositories/snapshots/") }
+    maven { url = uri("http://localhost:9999") }
 }
 
 dependencies {
-    "implementation"("com.squareup.okio:okio:2.5.0-SNAPSHOT")
+    "implementation"("org.apache:test-SNAPSHOT2:2.0.2-SNAPSHOT")
 }