diff --git a/tests/css/color/__snapshots__/jsfmt.spec.js.snap b/tests/css/color/__snapshots__/jsfmt.spec.js.snap
index 6eb531ee4..a7d18630c 100644
--- a/tests/css/color/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/css/color/__snapshots__/jsfmt.spec.js.snap
@@ -257,6 +257,56 @@ printWidth: 80
 ================================================================================
 `;
 
+exports[`color-level-4.css format 1`] = `
+====================================options=====================================
+parsers: ["css"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+/* https://www.w3.org/TR/css-color-4 */
+foo {
+  color: rgb(0, 128, 255);
+  color: rgba(0, 128, 255, 0.5);
+  color: hsl(198, 28%, 50%);
+  color: hsla(198, 28%, 50%, 0.5);
+  color: lab(56.29% 019.93 16.58 / 50%);
+  color: lch(56.29% 19.86 236.62 / 50%);
+  /* color(sRGB 0 0.50 1 / 50%); */
+}
+
+bar {
+  color: rgb(0 128 255);
+  color: rgb(0 128 255 / 50%);
+  color: hsl(198deg 28% 50%);
+  color: hsl(198deg 28% 50% / 50%);
+  color: lab(56.29% 019.93 16.58 / 50%);
+  color: lch(56.29% 19.86 236.62deg / 50%);
+}
+
+=====================================output=====================================
+/* https://www.w3.org/TR/css-color-4 */
+foo {
+  color: rgb(0, 128, 255);
+  color: rgba(0, 128, 255, 0.5);
+  color: hsl(198, 28%, 50%);
+  color: hsla(198, 28%, 50%, 0.5);
+  color: lab(56.29% 019.93 16.58 / 50%);
+  color: lch(56.29% 19.86 236.62 / 50%);
+  /* color(sRGB 0 0.50 1 / 50%); */
+}
+
+bar {
+  color: rgb(0 128 255);
+  color: rgb(0 128 255 / 50%);
+  color: hsl(198deg 28% 50%);
+  color: hsl(198deg 28% 50% / 50%);
+  color: lab(56.29% 019.93 16.58 / 50%);
+  color: lch(56.29% 19.86 236.62deg / 50%);
+}
+
+================================================================================
+`;
+
 exports[`current-color.css format 1`] = `
 ====================================options=====================================
 parsers: ["css"]
diff --git a/tests/css/color/color-level-4.css b/tests/css/color/color-level-4.css
new file mode 100644
index 000000000..6c03a0a26
--- /dev/null
+++ b/tests/css/color/color-level-4.css
@@ -0,0 +1,19 @@
+/* https://www.w3.org/TR/css-color-4 */
+foo {
+  color: rgb(0, 128, 255);
+  color: rgba(0, 128, 255, 0.5);
+  color: hsl(198, 28%, 50%);
+  color: hsla(198, 28%, 50%, 0.5);
+  color: lab(56.29% 019.93 16.58 / 50%);
+  color: lch(56.29% 19.86 236.62 / 50%);
+  /* color(sRGB 0 0.50 1 / 50%); */
+}
+
+bar {
+  color: rgb(0 128 255);
+  color: rgb(0 128 255 / 50%);
+  color: hsl(198deg 28% 50%);
+  color: hsl(198deg 28% 50% / 50%);
+  color: lab(56.29% 019.93 16.58 / 50%);
+  color: lch(56.29% 19.86 236.62deg / 50%);
+}
diff --git a/tests/flow/generic/__snapshots__/jsfmt.spec.js.snap b/tests/flow/generic/__snapshots__/jsfmt.spec.js.snap
index 02240702a..efa8b4ae1 100644
--- a/tests/flow/generic/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/flow/generic/__snapshots__/jsfmt.spec.js.snap
@@ -69,6 +69,35 @@ var X = {
 ================================================================================
 `;
 
+exports[`function-default-type-parameters.js - {"trailingComma":"all"} format 1`] = `
+====================================options=====================================
+parsers: ["flow", "babel"]
+printWidth: 80
+trailingComma: "all"
+                                                                                | printWidth
+=====================================input======================================
+function foo<T: any = number>(): any {}
+
+=====================================output=====================================
+function foo<T: any = number>(): any {}
+
+================================================================================
+`;
+
+exports[`function-default-type-parameters.js format 1`] = `
+====================================options=====================================
+parsers: ["flow", "babel"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+function foo<T: any = number>(): any {}
+
+=====================================output=====================================
+function foo<T: any = number>(): any {}
+
+================================================================================
+`;
+
 exports[`generic.js - {"trailingComma":"all"} format 1`] = `
 ====================================options=====================================
 parsers: ["flow", "babel"]
diff --git a/tests/flow/generic/function-default-type-parameters.js b/tests/flow/generic/function-default-type-parameters.js
new file mode 100644
index 000000000..e5bbdcc6f
--- /dev/null
+++ b/tests/flow/generic/function-default-type-parameters.js
@@ -0,0 +1 @@
+function foo<T: any = number>(): any {}
diff --git a/tests/typescript/generic/__snapshots__/jsfmt.spec.js.snap b/tests/typescript/generic/__snapshots__/jsfmt.spec.js.snap
index cf8261eef..470b1ece1 100644
--- a/tests/typescript/generic/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/typescript/generic/__snapshots__/jsfmt.spec.js.snap
@@ -130,6 +130,38 @@ export const getVehicleDescriptor = async (
 ================================================================================
 `;
 
+exports[`issue-6899.ts format 1`] = `
+====================================options=====================================
+parsers: ["typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+const getUnusedAuthorizationHoldDocuments = async (): Promise<DocumentData[]> => {}
+
+const firestorePersonallyIdentifiablePaths: Array<
+  keyof Collections.Users.Entity
+> = []
+
+export const SUPPORTED_VEHICLE_TYPES: Array<
+  Collections.VehiclesStates.Entity['type']
+> = Object.values(Collections.VehiclesStates.Type);
+
+=====================================output=====================================
+const getUnusedAuthorizationHoldDocuments = async (): Promise<
+  DocumentData[]
+> => {};
+
+const firestorePersonallyIdentifiablePaths: Array<
+  keyof Collections.Users.Entity
+> = [];
+
+export const SUPPORTED_VEHICLE_TYPES: Array<
+  Collections.VehiclesStates.Entity["type"]
+> = Object.values(Collections.VehiclesStates.Type);
+
+================================================================================
+`;
+
 exports[`object-method.ts format 1`] = `
 ====================================options=====================================
 parsers: ["typescript"]
diff --git a/tests/typescript/generic/issue-6899.ts b/tests/typescript/generic/issue-6899.ts
new file mode 100644
index 000000000..7ce76d5fa
--- /dev/null
+++ b/tests/typescript/generic/issue-6899.ts
@@ -0,0 +1,9 @@
+const getUnusedAuthorizationHoldDocuments = async (): Promise<DocumentData[]> => {}
+
+const firestorePersonallyIdentifiablePaths: Array<
+  keyof Collections.Users.Entity
+> = []
+
+export const SUPPORTED_VEHICLE_TYPES: Array<
+  Collections.VehiclesStates.Entity['type']
+> = Object.values(Collections.VehiclesStates.Type);